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Volume 6, Number 9
February 26, 2007

Physical sciences and technology

Global warming
Pulsars
Neutron stars
Face recognition in machine vision
Nanotechnology
Quantum cryptography
Extrasolar planets
Gamma-ray astronomy
Neutron stars
Virtual reality
Robotics
Supernova 1987A
The string theory landscape
Baryonic dark matter
Distant quasars in dark matter halos
Penrose tiles
Cyclic cosmology
Stars with large magnetic fields
Testing gravity with atomic inteferometry
Dark matter decay
Kepler supernova
Aerosols and climate change

Life sciences

Cancer biology
Mathematical model of disease cycles
MicroRNA and stem cells
Telomeres
Ribosomes
Auditory vs. visual memory
Neanderthals
Bacterial swimming
Planning in birds
Heart development
Virus self-assembly
Simulated social evolution with robots
Mental processing during sleep
Genetics and personality
T cells and cancer
Stem cells, polycomb proteins, and cancer
Autophagy and the immune response to viruses
Integration of sensory information
Dating human-chimpanzee divergence
De-methylation of histones and gene expression
Stem cells and epigenetics
Inflammation and cancer
MicroRNA and cancer prevention
Editing of microRNA
Object recognition in pigeons and people

Health and medicine

Cancer
Avian flu
Inflammation, metabolic syndrome, and obesity
Autoimmune diseases
Bioengineered ligaments
Autism
Diabetes
Similarity of brain effects from smoking and drugs
Stem cells
Omega-3 fatty acids
Age-related memory loss
Regeneration of bone tissue
Fetal-gene reactivation and heart failure
Telomeres, aging, and cancer
High cholesterol and stroke risk
AIDS
AIDS gene therapy using RNAi and carbon nanotubes
RNAi gene therapy
Caffeine and heart disease
Diet vs. exercise for weight loss
Tuberculosis
3-D printing of organ tissue
Nanoparticle drug delivery
Immune system control in the intestines
Cardiovascular disease
Inflammation, C-reactive protein, and hypertension
Meningitis
Nicotine resistance
Cellular metabolism problems and heart failure
Alzheimer's disease
Parkinson's disease


Global warming

References:
  1. February 19, 2007 - Greenhouse gases hit new high
Background


Pulsars

References:
  1. February 19, 2007 - High-Energy 'Relic' Wind Reveals Past Behavior Of Dead Stars
Background


Neutron stars

References:
  1. February 20, 2007 - Fastest spinning star may have exotic heart
Background


Face recognition in machine vision

References:
  1. February 20, 2007 - New Step Taken Towards A Machine Capable Of Face Recognition
Background


Nanotechnology

References:
  1. February 20, 2007 - New Process For Making Much-sought Iron Nanospheres - also here
  2. February 21, 2007 - New stamping process creates metallic interconnects, nanostructures - also here
  3. February 23, 2007 - Fluid Dynamics Works on Nanoscale in Real World - also here, here, here
  4. February 23, 2007 - Nanorod arrays polarize light
  5. February 24, 2007 - Peanut-shaped Nanostructures - also here
Background


Quantum cryptography

References:
  1. February 20, 2007 - Toshiba Plug Loophole in Security of Quantum Cryptography
Background


Extrasolar planets

References:
  1. February 21, 2007 - Dusty clouds may conceal water on alien worlds
  2. February 21, 2007 - Water Mysteriously Absent from Extrasolar Planets' Atmospheres
  3. February 21, 2007 - Water, Water, Not Everywhere
  4. February 21, 2007 - Absence of Water in Distant Planet's Atmosphere Surprises Astronomers
  5. February 21, 2007 - Clouds, But No Water, Detected On Distant Planet
  6. February 21, 2007 - Waterless Planets Surprise Astronomers - also here
  7. February 21, 2007 - Distant Planets: Warm, Weird, Waterless - also here
  8. February 22, 2007 - NASA's Spitzer First To Crack Open Light Of Faraway Worlds - also here
  9. February 22, 2007 - Puzzled planet hunters can't find water
  10. February 22, 2007 - Astronomers pierce mysteries of distant planets
  11. February 23, 2007 - Extrasolars' light guides atmosphere research - also here
  12. February 23, 2007 - NASA Scientists Detect Spectrum of Planets Orbiting Other Stars
Background


Gamma-ray astronomy

References:
  1. February 21, 2007 - Integral Expands Our View Of The Gamma-ray Sky - also here, here
Background, Background, Background


Neutron stars

References:
  1. February 21, 2007 - Magnetic fields put the heat on neutron stars
Background


Virtual reality

References:
  1. February 21, 2007 - Virtual Reality Becoming a Valuable Resource for Researchers
Background


Robotics

References:
  1. February 22, 2007 - Scientists Create Autonomous Robots That Can Stand, Crawl, Wiggle And Even Roll
  2. February 22, 2007 - Modular robot's wriggles show greater flexibility
Background


Supernova 1987A

References:
  1. February 22, 2007 - Deadly stellar dance explains supernova shape
  2. February 22, 2007 - Two-Star Collision Yields Three-Ring Nebula
  3. February 23, 2007 - 20 Years of Surprises from Supernova 1987A - also here, here
  4. February 26, 2007 - Fresh View Of Nearest Detected Supernova Shows Object Keeps Brightening - also here
Background


The string theory landscape

References:
  1. February 22, 2007 - Universe Offers 'Eternal Feast,' Cosmologist Says - also here
Background, Background, Background


Baryonic dark matter

References:
  1. February 22, 2007 - Spitzer Seeks Out Milky Way Dark Matter
Background


Distant quasars in dark matter halos

References:
  1. February 22, 2007 - Discovery Reveals that Distant Quasars Live in Massive Dark-Matter Halos
Background, Background


Penrose tiles

References:
  1. February 22, 2007 - Islamic "quasicrystals" predate Penrose tiles
  2. February 22, 2007 - Medieval Islamic tiling reveals mathematical savvy
  3. February 22, 2007 - Islamic Artisans Constructed Exotic Nonrepeating Pattern 500 Years Before Mathematicians
  4. February 23, 2007 - Advanced geometry of Islamic art
  5. February 23, 2007 - Islamic maths was 500 years ahead
  6. February 24, 2007 - Medieval Islamic Architecture Presages 20th-century Mathematics - also here, here
  7. February 27, 2007 - In Medieval Architecture, Signs of Advanced Math
Background


Cyclic cosmology

References:
  1. February 23, 2007 - Universe bounces back from the brink
Background


Stars with large magnetic fields

References:
  1. February 23, 2007 - A Magnetic Surprise
  2. February 24, 2007 - X-ray Observatory Reveals A Magnetic Surprise - also here, here
Background


Testing gravity with atomic inteferometry

References:
  1. February 23, 2007 - Steering Atoms Toward Better Navigation, Physicists Test Newton And Einstein Along The Way - also here
Background


Dark matter decay

References:
  1. February 25, 2007 - Dark matter may be the death of Milky Way
Background


Kepler supernova

References:
  1. February 25, 2007 - Scientists Make Explosive Discovery About Nature Of Supernovae
Background


Aerosols and climate change

References:
  1. February 25, 2007 - Insides Of Clouds May Be The Key To Climate Change
Background



Cancer biology

References:
  1. February 19, 2007 - Scientists Uncover New Target In Cancer Mutation Puzzle
  2. February 19, 2007 - Cancer Cells More Likely To Genetically Mutate - also here
  3. February 21, 2007 - Protein Stops P53 In Its Tracks In Cancer Cells
  4. February 22, 2007 - KISS1 Protein Required For Metastasis Suppression
  5. February 22, 2007 - Chemotherapy Drug Packs A One-two Punch - also here
  6. February 22, 2007 - Research ties harmless viruses to cancer
Background


Mathematical model of disease cycles

References:
  1. February 19, 2007 - Mathematical Model Predicts Cholera Outbreaks
Background


MicroRNA and stem cells

References:
  1. February 20, 2007 - MicroRNA Pathway Essential For Controlling Self-renewal Of Stem Cells - also
  2. here
Background, Background


Telomeres

References:
  1. February 20, 2007 - DNA Ends: Common Tool, Different Job
Background


Ribosomes

References:
  1. February 20, 2007 - Unraveling A Molecular Machine's Mysteries
Background


Auditory vs. visual memory

References:
  1. February 20, 2007 - Sense and sensibility in short-term memory - also here
Background, Background


Neanderthals

References:
  1. February 20, 2007 - Freeze 'condemned Neanderthals'
Background


Bacterial swimming

References:
  1. February 20, 2007 - Bacterium battles against the current
Background


Planning in birds

References:
  1. February 21, 2007 - Jays travel in time to be sure of breakfast
  2. February 21, 2007 - Now, where do I hide this? Birds plan, study shows
  3. February 22, 2007 - Birds plan treats for the future
  4. February 26, 2007 - Birds Found To Plan For The Future
Background


Heart development

References:
  1. February 21, 2007 - Why Is The Heart Heart-shaped? - also here
Background


Virus self-assembly

References:
  1. February 21, 2007 - Scientists Unravel Molecular Motor's Ability To Pack DNA Genome Into A Virus
Background


Simulated social evolution with robots

References:
  1. February 22, 2007 - It's a Bot-Eat-Bot World
  2. February 22, 2007 - Robots hold key to evolution of language
  3. February 23, 2007 - Robot swarms 'evolve' effective communication
  4. February 24, 2007 - Experimental evolution in robots probes the emergence of biological communication - also here, here
Background


Mental processing during sleep

References:
  1. February 22, 2007 - While you slumber, your brain puts the world in order
Background, Background


Genetics and personality

References:
  1. February 22, 2007 - Happy genes give us a lift
Background


T cells and cancer

References:
  1. February 22, 2007 - How T Cells Attack Tumors
Background, Background


Stem cells, polycomb proteins, and cancer

References:
  1. February 22, 2007 - Cancer Is A Stem Cell Issue - also here, here
Background, Background


Autophagy and the immune response to viruses

References:
  1. February 22, 2007 - Ancient Cellular Pathway Important In Fighting Viruses
Background


Integration of sensory information

References:
  1. February 22, 2007 - Do You Hear What I See? Research Finds Visually Stimulated Activity In Brain's Hearing Processing Centers - also here, here
  2. February 23, 2007 - Monkey See, Monkey Hear
Background


Dating human-chimpanzee divergence

References:
  1. February 23, 2007 - Humans, chimps split 4 million years ago: study - also here
  2. February 26, 2007 - Humans split from chimps 'recently'
  3. February 27, 2007 - A Recent Split of Humans and Chimps?
Background


De-methylation of histones and gene expression

References:
  1. February 23, 2007 - Opening And Closing The Genome: Newly Identified Enzyme Orchestrates Access To Genes For Transcription - also here, here
Background


Stem cells and epigenetics

References:
  1. February 23, 2007 - Epigenetics To Shape Stem Cell Future - also here
Background, Background


Inflammation and cancer

References:
  1. February 23, 2007 - Antibody Signal May Redirect Inflammation To Fuel Cancer - also here
Background, Background


MicroRNA and cancer prevention

References:
  1. February 23, 2007 - MicroRNA helps prevent tumors - also here
Background, Background


Editing of microRNA

References:
  1. February 23, 2007 - Killing the messenger RNA - But which one? - also here
  2. February 23, 2007 - What separates us from the worms
Background


Object recognition in pigeons and people

References:
  1. February 25, 2007 - New Research Finds People And Pigeons See Eye To Eye - also here
Background



Cancer

References:
  1. February 19, 2007 - Study finds drug Avastin helps brain tumors
  2. February 20, 2007 - Cancer drug can extend survival in patients with deadly brain tumors - also here
  3. February 20, 2007 - Researchers identify cell pathway in colon cancer - also here
  4. February 21, 2007 - Emerging Research Heralds New Era Of Breast Cancer Management
  5. February 21, 2007 - Gene Profiling Predicts Resistance To Breast Cancer Drug Herceptin - also here, here
  6. February 21, 2007 - Alternative Brain Cancer Treatment: High-fat, Low-carbo Diet Slows Tumor Growth In Mice - also here
  7. February 21, 2007 - Novel test identifies lymphoma patients likely to respond to new therapy - also here
  8. February 22, 2007 - Childhood Cancer Survivors At Increased Risk Of Sarcoma - also here
  9. February 22, 2007 - Tamoxifen Yields Long-term Reduction In Breast Cancer Risk
  10. February 22, 2007 - Lower Dosing Regimens Of Bisphosphonates Show Antitumor Effects In Mice
  11. February 22, 2007 - 'Bridge' protein spurs deadliest stages of breast cancer
  12. February 23, 2007 - To Be Benign Or Malignant: mTOR Makes The Decision
  13. February 23, 2007 - Simple Two-gene Test Sorts Out Similar Gastrointestinal Cancers
  14. February 23, 2007 - Researcher finds way to identify which men need a second biopsy
  15. February 25, 2007 - Study shows breath test for lung cancer possible
  16. February 25, 2007 - Prostate Cancer Therapy May Increase Risk Of Death From Heart Disease In Older Men - also here
Background


Avian flu

References:
  1. February 19, 2007 - Russia confirms bird flu outbreak caused by H5N1
  2. February 20, 2007 - Russian bird flu spreads, officials reassure
  3. February 20, 2007 - Dead birds being tested for H5N1 near Moscow - also here
  4. February 21, 2007 - Russia finds bird flu in new region, suspects more - also here, here, here
  5. February 23, 2007 - EU experts back pandemic flu shot from Novartis
  6. February 23, 2007 - Bird flu outbreaks confirmed in Afghanistan flocks - also here
Background


Inflammation, metabolic syndrome, and obesity

References:
  1. February 19, 2007 - Obesity Finding: Chemical Pathway Causes Mice To Overeat And Gain Weight
Background, Background, Background


Autoimmune diseases

References:
  1. February 19, 2007 - Researchers Identify Factor In Pathogenesis Of Graves' Disease
Background


Bioengineered ligaments

References:
  1. February 19, 2007 - Lab-grown ligaments may help injured sports stars
  2. February 20, 2007 - Rabbits grow bionic knees
Background


Autism

References:
  1. February 19, 2007 - Autism gene scan unveils two new clues
  2. February 19, 2007 - Autism gene breakthrough hailed
  3. February 24, 2007 - Decoding autism: study finds DNA clues to developmental disorders
Background


Diabetes

References:
  1. February 20, 2007 - Research identifies risk-factor genes for type 2 diabetes
  2. February 20, 2007 - Low testosterone in men may be diabetes risk factor
  3. February 21, 2007 - Diabetes Risk Factors Develop Earlier in Women than Men
Background


Similarity of brain effects from smoking and drugs

References:
  1. February 20, 2007 - Smoking changes brain the same way as drugs: study
  2. February 22, 2007 - Smoking Produces Changes In Human Brain Like Those In Animals Using Illicit Drugs - also here
  3. February 24, 2007 - Smoking alters brain 'like drugs'
Background


Stem cells

References:
  1. February 20, 2007 - Stem Cell Transplants Explored As A Possible Treatment For Hearing Loss
  2. February 20, 2007 - Mouse Stem Cell Line Advance Suggests Potential For IVF-incompetent Eggs - also here, here
  3. February 22, 2007 - Scientists Produce Neurons From Human Skin - also here, here
  4. February 23, 2007 - Liposuctioned fat stem cells to repair bodies - also here
  5. February 23, 2007 - Scientists work on interspecies stem cells
  6. February 24, 2007 - How Stem Cells Are Regulated - also here, here
  7. February 24, 2007 - Adult Stem Cell Study Flawed, Panel Says - also here
  8. February 28, 2007 - Panel Finds Flawed Data in a Major Stem Cell Report
Background


Omega-3 fatty acids

References:
  1. February 20, 2007 - Plant-derived Omega-3s May Aid In Bone Health - also here
Background


Age-related memory loss

References:
  1. February 20, 2007 - Problem Forgetting May Be A Natural Mechanism Gone Awry
Background


Regeneration of bone tissue

References:
  1. February 20, 2007 - Are Scientists Making Progress In Being Able To Regenerate Bone Tissue?
Background


Fetal-gene reactivation and heart failure

References:
  1. February 20, 2007 - Fetal Heart-cell Enzyme Important In Onset Of Heart Failure
Background


Telomeres, aging, and cancer

References:
  1. February 20, 2007 - FISH-ing For Links Between Cancer And Aging
Background, Background


High cholesterol and stroke risk

References:
  1. February 20, 2007 - Healthy Women With High Cholesterol At Increased Risk Of Stroke
Background, Background


AIDS

References:
  1. February 21, 2007 - Annual Map Of AIDS Vaccine Research Activity Worldwide
  2. February 21, 2007 - Herpes treatment may help HIV patients: study
  3. February 21, 2007 - Study: Herpes Drug May Curb AIDS Virus - also here
  4. February 21, 2007 - Treat herpes, treat HIV?
  5. February 21, 2007 - Failure of HIV microbicide raises concerns
  6. February 22, 2007 - Herpes drug helps control HIV
  7. February 23, 2007 - New AIDS drugs aim to combat resistant HIV strains
  8. February 26, 2007 - Anti-herpes Treatment Reduces HIV Levels In Women Infected With Both Viruses
Background


AIDS gene therapy using RNAi and carbon nanotubes

References:
  1. February 21, 2007 - Nanotubes smuggle anti-HIV molecules into cells
  2. February 21, 2007 - Batten Down The Hatches Against HIV: Carbon Nanotubes Transport Gene Therapy Drug Into T-cells - also here
Background, Background, Background, Background, Background


RNAi gene therapy

References:
  1. February 21, 2007 - RNAi Shows Promise In Gene Therapy, Researcher Says - also here
Background, Background


Caffeine and heart disease

References:
  1. February 21, 2007 - Caffeine may be good for some aging hearts
  2. February 24, 2007 - Caffeine May Prevent Heart Disease Death In Elderly - also here, here
Background


Diet vs. exercise for weight loss

References:
  1. February 21, 2007 - No need to diet and exercise to lose weight
Background


Tuberculosis

References:
  1. February 21, 2007 - New Research May Overturn Conventional Wisdom On Drug-resistant Tuberculosis - also here
Background


3-D printing of organ tissue

References:
  1. February 21, 2007 - Inkjet Technology For Organ Printing
Background


Nanoparticle drug delivery

References:
  1. February 21, 2007 - IMEC reports robust technology to functionalize nanoparticles for biomedical applications
Background, Background


Immune system control in the intestines

References:
  1. February 21, 2007 - Scientists Determine How the Intestine Keeps Us Safe From Microbial Invaders
Background


Cardiovascular disease

References:
  1. February 21, 2007 - Calcium And Vitamin D Supplements Don't Affect Heart Disease Risk, Study Suggests
  2. February 22, 2007 - High Blood Pressure During Pregnancy May Lead To Postmenopausal Heart Disease
  3. February 23, 2007 - Call Made For Changes In Women's Heart Disease Risk-factor List
Background


Inflammation, C-reactive protein, and hypertension

References:
  1. February 22, 2007 - C-Reactive Protein Liver Protein Induces Hypertension, Researchers Find
Background, Background


Meningitis

References:
  1. February 22, 2007 - Scientists identify specific enzymes that make meningitis hard to fight - also here, here
Background, Background


Nicotine resistance

References:
  1. February 22, 2007 - Researchers Find Genes Involved in Nicotine Resistance in Fruit Flies - also here
Background


Cellular metabolism problems and heart failure

References:
  1. February 23, 2007 - Taking Heart Failure To The MAT1
Background


Alzheimer's disease

References:
  1. February 23, 2007 - New Alzheimer's target a Notch above the rest?
Background


Parkinson's disease

References:
  1. February 24, 2007 - Low-cost Parkinson's Disease Diagnostic Test A World First - also here, here
Background


Copyright © 2007 by Charles Daney, All Rights Reserved