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Male or Female? First Sex-Determining Genes Appeared in Mammals Some 180 Million Years Ago
Apr. 23, 2014 — The Y chromosome, which distinguishes males from females at the genetic level, appeared some 180 million years ago. It originated twice independently in all mammals. Scientists have managed to date ... full story -
Superconducting Qubit Array Points the Way to Quantum Computers
Apr. 23, 2014 — A fully functional quantum computer is one of the holy grails of physics. Physicists have moved one step closer to making a quantum computer a reality by demonstrating a new level of reliability in a ... full story -
Mapping the Road to Quantum Gravity
Apr. 23, 2014 — The road uniting quantum field theory and general relativity -- the two great theories of modern physics -- has been impassable for 80 years. Could a tool from condensed matter physics finally help ... full story -
Atomic Switcheroo Explains Origins of Thin-Film Solar Cell Mystery
Apr. 23, 2014 — Treating cadmium-telluride (CdTe) solar cell materials with cadmium-chloride improves their efficiency, but researchers have not fully understood ... full story -
Finding Safe Drugs to Treat Neurodegenerative Diseases
Apr. 23, 2014 — 'Mutant' protein clusters, long blamed for the progression of Huntington's and other neurodegenerative diseases, have been the primary focus of therapies in development by ... full story -
Increased Infrastructure Required for Effective Oil Spill Response in U.S. Arctic
Apr. 23, 2014 — A changing climate is increasing the accessibility of U.S. Arctic waters to commercial activities such as shipping, oil and gas development, and tourism, raising concern about the risk of oil spills. ... full story -
Hearing Quality Restored With Bionic Ear Technology Used for Gene Therapy: Re-Growing Auditory Nerves
Apr. 23, 2014 — Researchers have for the first time used electrical pulses delivered from a cochlear implant to deliver gene therapy, thereby successfully regrowing auditory nerves. The research also heralds a ... full story -
Halving Hydrogen: First View of Nature-Inspired Catalyst After Ripping Hydrogen Apart Provides Insights for Better Fuel Cells
Apr. 23, 2014 — A fuel cell catalyst that converts hydrogen into electricity must tear open a hydrogen molecule. Now researchers have captured a view of such a catalyst holding onto the two halves of its hydrogen ... full story -
Picky Male Black Widow Spiders Prefer Well-Fed Virgins
Apr. 23, 2014 — New research shows that male black widow spiders prefer their female mates to be well-fed virgins -- a rare example of mate preference by male spiders. The study found they can tell whether a ... full story -
Enzymes That Help Fix Cancer-Causing DNA Defects Disovered
Apr. 23, 2014 — An important enzyme pathway that helps prevent new cells from receiving too many or too few chromosomes, a condition that has been directly linked to cancer and other diseases, has been discovered by ... full story -
Gold Nanoparticles Help Target, Quantify Breast Cancer Segments in a Living Cell
Apr. 23, 2014 — A way to detect and measure cancer levels in a living cell by using tiny gold particles with tails of synthetic DNA has been developed by scientists. The process uses gold nanoparticles to target and ... full story -
Novel Compound Halts Cocaine Addiction, Relapse Behaviors
Apr. 23, 2014 — A novel compound that targets an important brain receptor has a dramatic effect against a host of cocaine addiction behaviors, including relapse behavior, an animal study has found. The research ... full story -
Scientists Identify Source of Mysterious Sound in the Southern Ocean
Apr. 23, 2014 — Scientists have conclusive evidence that the source of a unique rhythmic sound, recorded for decades in the Southern Ocean and called the 'bio-duck,' is the Antarctic minke whale ... full story -
Odds of Storm Waters Overflowing Manhattan Seawall Up 20-Fold
Apr. 23, 2014 — Maximum water levels in New York harbor during major storms have risen by nearly two and a half feet since the mid-1800s, making the chances of water overtopping the Manhattan seawall now at least 20 ... full story -
Hundreds of Genetic Mutations Found in Healthy Blood of a Supercentenarian
Apr. 23, 2014 — Genetic mutations are commonly studied because of links to diseases such as cancer; however, little is known about mutations occurring in healthy individuals. Researchers have now detected over 400 ... full story -
Predicting Drift of Floating Pumice 'Islands' Can Benefit Shipping
Apr. 23, 2014 — A new technique will aid in predicting the dispersal and drift patterns of large floating ‘islands’ of pumice created by volcanic eruptions at sea. Known as pumice rafts, these large mobile ... full story -
Sugar-Sweetened Beverages Contribute to U.S. Obesity Epidemic, Particularly Among Children
Apr. 23, 2014 — In response to the ongoing policy discussions on the role of sugar-sweetened beverages (SSBs) on weight and health, The Obesity Society (TOS) concludes that SSBs contribute to the United States’ ... full story -
Some Astronauts at Risk for Cognitive Impairment, Animal Studies Suggest
Apr. 23, 2014 — Rats exposed to high-energy particles, simulating conditions astronauts would face on a long-term deep space mission, show lapses in attention and slower reaction times, even when the radiation ... full story -
New Target for Prostate Cancer Resistant to Anti-Hormone Therapies
Apr. 23, 2014 — A new target that could remain sensitive even when prostate cancer becomes resistant to current treatments has been discovered by researchers. Prostate cancer becomes deadly when anti-hormone ... full story -
From Liability to Viability: Genes on the Y Chromosome Prove Essential for Male Survival
Apr. 23, 2014 — The human Y chromosome has, over the course of millions of years of evolution, preserved a small set of genes that has ensured not only its own survival but also the survival of men. Moreover, the ... full story
- Male or female? First sex-determining genes appeared in mammals some 180 million years ago
- Superconducting qubit array points the way to quantum computers
- Mapping the road to quantum gravity
- Atomic switcheroo explains origins of thin-film solar cell mystery
- Finding safe drugs to treat neurodegenerative diseases
- Increased infrastructure required for effective oil spill response in U.S. Arctic
- Hearing quality restored with bionic ear technology used for gene therapy: Re-growing auditory nerves
- Halving hydrogen: First view of nature-inspired catalyst after ripping hydrogen apart provides insights for better fuel cells
- Picky male black widow spiders prefer well-fed virgins
- Enzymes that help fix cancer-causing DNA defects disovered
- Gold nanoparticles help target, quantify breast cancer segments in a living cell
- Novel compound halts cocaine addiction, relapse behaviors
- Scientists identify source of mysterious sound in the Southern Ocean
- Odds of storm waters overflowing Manhattan seawall up 20-fold
- Hundreds of genetic mutations found in healthy blood of a supercentenarian
- Predicting drift of floating pumice 'islands' can benefit shipping
- Sugar-sweetened beverages contribute to U.S. obesity epidemic, particularly among children
- Some astronauts at risk for cognitive impairment, animal studies suggest
- New target for prostate cancer resistant to anti-hormone therapies
- From liability to viability: Genes on the Y chromosome prove essential for male survival
- Airport security-style technology could help doctors decide on stroke treatment
- Surface area of the digestive tract much smaller than previously thought
- In lab tests, the antimicrobial ingredient triclosan spurs growth of breast cancer cells
- Legalizing medical marijuana doesn't increase use among adolescents, study says
- How to avoid water wars between 'fracking' industry and residents
- Steering chemical reactions with laser pulses
- Physical activity keeps hippocampus healthy in people at risk for Alzheimer's disease
- High-calorie, low-nutrient foods in kids' TV programs
- Toward unraveling the Alzheimer's mystery: New step points to proteins
- ADHD drug may help preserve self-control resources
- New discovery helps solve mystery source of African lava
- How Australia's Outback got one million feral camels: Camels culled on large scale
- Political ravens? Ravens notice the relationships among others, study shows
- Picture books aren't just fun: Children learn sophisticated animal facts when parent read them
- Researchers compare hip width and sexual behavior
- Inverse effects of midlife occupational, leisure time physical activity on mobility limitation in old age
- Loss of memory in Alzheimer's mice models reversed through gene therapy
- Liquid spacetime: What if spacetime were a kind of fluid?
- Cell division speed influences gene architecture
- Best practices in communication for animal world
- Brain circuits involved in emotion discovered by neuroscientists
- Cougars’ diverse diet helped them survive the mass extinction that wiped out the saber-tooth cat, American lion
- Effectiveness of medications for treating epileptic seizures in children examined
- New drugs offer hope for migraine prevention
- Risk of pregnancy greater with newer method of female sterilization
- Bioinformatics profiling identifies a new mammalian clock gene
- Critical new protein complex involved in learning, memory
- Checking up on crude oil in the ground: Nanoreporters tell 'sour' oil from 'sweet'
- Mantis shrimp stronger than airplanes: Composite material inspired by shrimp stronger than standard used in airplane frames
- Neuroimaging Technique: Live from inside the cell in real-time
- How cells take out the trash
- For an immune cell, microgravity mimics aging
- First size-based chromatography technique for the study of livi
- Neurotics don't just avoid action: They dislike it, study finds
- New electric fish genus, species discovered in Brazil's Rio Negro
- Applying math to biology: Software identifies disease-causing mutations in undiagnosed illnesses
- Fat metabolism in animals altered to prevent most common type of heart disease
- More than two-thirds of Americans support mandated coverage of birth control in health plans
- Major advances in dye sensitized solar cells
- Unlocking secrets of new solar material
- Wildlife response to climate change is likely underestimated, experts warn
- Male health linked to testosterone exposure in womb, study finds
- Brain size matters when it comes to animal self-control
- Life stressors trigger neurological disorders, researchers find
- Speed-reading apps may impair reading comprehension by limiting ability to backtrack
- How the body fights against viruses
- People pay more attention to upper half of field of vision, study shows
- New design for mobile phone masts could cut carbon emissions
- Researchers identify a new variant of Ebola virus in Guinea
- RNA shows potential as boiling-resistant anionic polymer material for nanoarchitectures
- International team sequences rainbow trout genome
- Quantum simulators developed to study inaccessible physical systems
- Combination of alcohol, tobacco increases risk of esophageal cancer
- 179 million cases of acute diarrhea in U.S. each year, most preventable
- Vacuum ultraviolet lamp of the future created
- High-performance, low-cost ultracapacitors built with graphene and carbon nanotubes
- Commonly available blood-pressure medication prevents epilepsy after severe brain injury
- Two genes linked to inflammatory bowel disease
- iPad users explore data with their fingers: Kinetica converts tabular data into touch-friendly format
- Child's autism risk accelerates with mother's age over 30
- Cloaked DNA nanodevices survive pilot mission
- Nanomaterial outsmarts ions: Novel types of electronic components made of graphene
- Like a hall of mirrors, nanostructures trap photons inside ultrathin solar cells
- Bariatric surgery health benefits: Is it bile acids at work?
- New way to enhance nerve growth following injury discovered
- First brain images of African infants enable research into cognitive effects of nutrition
- Cow manure harbors diverse new antibiotic resistance genes
- CT measures potentially dangerous arterial plaque in diabetic patients
- Protein expression gets the heart pumping
- How are we different and what gave us the advantage over extinct types of humans like the Neanderthals?
- UV-radiation data to help ecological research
- Tarantulas' personality determines whether they copulate with males or cannibalize them
- Red stars and big bulges: How black holes shape galaxies
- Solved: Mysteries of a nearby planetary system
- Sleep behavior disorder linked to brain disease
- Higher solar-cell efficiency achieved with zinc-oxide coating
Wednesday, April 23, 2014
Tuesday, April 22, 2014
Monday, April 21, 2014
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