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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 -
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 -
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 -
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 -
Surface Area of the Digestive Tract Much Smaller Than Previously Thought
Apr. 23, 2014 — The internal surface area of the gastro-intestinal tract has long been considered to be between 180 and 300 square meters. Scientists have used refined microscopic techniques that indicate a much ... full story -
Political Ravens? Ravens Notice the Relationships Among Others, Study Shows
Apr. 23, 2014 — Cognitive biologists have revealed that ravens do understand and keep track of the rank relations between other ravens. Such an ability has been known only from primates. Like many social mammals, ... full story -
Liquid Spacetime: What If Spacetime Were a Kind of Fluid?
Apr. 23, 2014 — What if spacetime were a kind of fluid? This is the question tackled by theoretical physicists working on quantum gravity by creating models attempting to reconcile gravity and quantum mechanics. ... full story -
Brain Circuits Involved in Emotion Discovered by Neuroscientists
Apr. 22, 2014 — A brain pathway that underlies the emotional behaviors critical for survival have been discovered by neuroscientists. The team has identified a chain of neural connections which links central ... full story -
Cougars’ Diverse Diet Helped Them Survive the Mass Extinction That Wiped out the Saber-Tooth Cat, American Lion
Apr. 22, 2014 — Cougars may have survived the mass extinction that took place about 12,000 years ago because they were not particular about what they ate, unlike their more finicky cousins the saber-tooth cat and ... full story -
Mantis Shrimp Stronger Than Airplanes: Composite Material Inspired by Shrimp Stronger Than Standard Used in Airplane Frames
Apr. 22, 2014 — Inspired by the fist-like club of a mantis shrimp, researchers have developed a design structure for composite materials that is more impact resistant and tougher than the standard used in airplanes. ... full story -
New Electric Fish Genus, Species Discovered in Brazil's Rio Negro
Apr. 22, 2014 — Discovery of a new species of electric knife fish in the Amazon Basin in Brazil is leading to a new interpretation of classifications and interrelationships among closely related groups. As the ... full story -
Fat Metabolism in Animals Altered to Prevent Most Common Type of Heart Disease
Apr. 22, 2014 — Working with mice and rabbits, scientists have found a way to block abnormal cholesterol production, transport and breakdown, successfully preventing the development of atherosclerosis, the main ... full story -
Male Health Linked to Testosterone Exposure in Womb, Study Finds
Apr. 22, 2014 — Men's susceptibility to serious health conditions may be influenced by low exposure to testosterone in the womb, new research suggests. Understanding why some men have less of the hormone than ... full story -
Brain Size Matters When It Comes to Animal Self-Control
Apr. 22, 2014 — Chimpanzees may throw tantrums like toddlers, but their total brain size suggests they have more self-control than, say, a gerbil or fox squirrel, according to a new study of 36 species of mammals ... full story -
Life Stressors Trigger Neurological Disorders, Researchers Find
Apr. 22, 2014 — When mothers are exposed to trauma, illness, alcohol or other drug abuse, these stressors may activate a single molecular trigger in brain cells that can go awry and activate conditions such as ... full story -
Speed-Reading Apps May Impair Reading Comprehension by Limiting Ability to Backtrack
Apr. 22, 2014 — To address the fact that many of us are on the go and pressed for time, app developers have devised speed-reading software that eliminates the time we supposedly waste by moving our eyes as we read. ... full story -
People Pay More Attention to Upper Half of Field of Vision, Study Shows
Apr. 22, 2014 — People pay more attention to the upper half of their field of vision, a study shows, a finding that could have ramifications for traffic signs to software interface design. "It doesn't mean ... 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
- Hearing quality restored with bionic ear technology used for gene therapy: Re-growing auditory nerves
- 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
- From liability to viability: Genes on the Y chromosome prove essential for male survival
- Surface area of the digestive tract much smaller than previously thought
- Political ravens? Ravens notice the relationships among others, study shows
- Liquid spacetime: What if spacetime were a kind of fluid?
- 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
- Mantis shrimp stronger than airplanes: Composite material inspired by shrimp stronger than standard used in airplane frames
- New electric fish genus, species discovered in Brazil's Rio Negro
- Fat metabolism in animals altered to prevent most common type of heart disease
- 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
- People pay more attention to upper half of field of vision, study shows
- Researchers identify a new variant of Ebola virus in Guinea
- International team sequences rainbow trout genome
- Cloaked DNA nanodevices survive pilot mission
- Cow manure harbors diverse new antibiotic resistance genes
- How are we different and what gave us the advantage over extinct types of humans like the Neanderthals?
- 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
- 'Upside-down planet' reveals new method for studying binary star systems
- Sleeping away infection: Researchers find link between sleep, immune function in fruitflies
- Today's Antarctic region once as hot as California, Florida
- First Eurasians left Africa up to 130,000 years ago
- Krypton used to accurately date ancient Antarctic ice
- More questions than answers as mystery of domestication deepens
- Researchers rethink 'natural' habitat for wildlife
- Finding turns neuroanatomy on its head: Researchers present new view of myelin
- ADHD: Scientists discover brain's anti-distraction system
- 'Dressed' laser aimed at clouds may be key to inducing rain, lightning
- Ancient DNA: Barnyard chickens living just a few hundred years ago looked far different from today's chickens
- Gecko-like adhesives now useful for real world surfaces
- Impact glass from asteroids and comets stores biodata for millions of years
- Collider reveals sharp change from 'quark soup' to atoms
- Bright points in sun's atmosphere mark patterns deep in its interior
- Vitamin B3 might have been made in space, delivered to Earth by meteorites
- Our brains are hardwired for language
- Gene variant increases risk of colorectal cancer from eating processed meat
- More, bigger wildfires burning western US over last 30 years
- First potentially habitable Earth-sized planet confirmed by Gemini and Keck observatories
- Thinnest membrane feasible has been produced
- Alternative identification methods for threatened species urged
- Connecting sleep deficits among young fruit flies to disruption in mating later in life
- Boosting depression-causing mechanisms in brain increases resilience, surprisingly
- There's something ancient in the icebox: Three-million-year-old landscape beneath Greenland Ice Sheet
- Surprising material could play huge role in saving energy: Tin selenide is best at converting waste heat to electricity
- Wireless power transfer achieved at 5-meter distance
- Fear of the cuckoo mafia: In fear of retaliation, birds accept and raise brood parasites' young
- A cross-section of the universe
- Biologists help solve fungal mysteries, inform studies on climate change
- In sex-reversed cave insects, females have the penises
- Study shows lasting effects of drought in rainy Eastern U.S.
- The story of animal domestication retold: Scientists now think wild animals interbred with domesticated ones until quite recently
- Genetic study tackles mystery of slow plant domestications
- New MRSA superbug emerges in Brazil
- Earliest ancestor of land herbivores discovered: 300-million-year-old predator showed way to modern terrestrial ecosystem
- For cells, internal stress leads to unique shapes
- Mars: Meteorites yield clues to Red Planet's early atmosphere
- Eavesdropping on brain cell chatter
- Air temperature influenced African glacial movements at height of last ice age
- How smells stick to your memories: Your nose can be a pathfinder
- Ancient shark fossil reveals new insights into jaw evolution
- Searching for dark energy with neutrons: With neutrons, scientists can now look for dark energy in the lab
- Crucial new information about how the ice ages came about
- Sperm meets egg: Protein essential for fertilization discovered
- Scientists re-define what's healthy in newest analysis for human microbiome project
- Scientists achieve first direct observations of excitons in motion
- At the origin of cell division: The features of living matter emerge from inanimate matter in simulation
- Warm U.S. West, cold East: 4,000-year pattern; Global warming may bring more curvy jet streams during winter
- Functional brain imaging reliably predicts which vegetative patients have potential to recover consciousness
- New study outlines 'water world' theory of life's origins
- People of color live in neighborhoods with more air pollution than whites, groundbreaking U.S. study shows
- Brain changes associated with casual marijuana use in young adults, study finds
- Astronomers: 'Tilt-a-worlds' could harbor life
- SSRI use during pregnancy linked to autism and developmental delays in boys
- Lifestyle determines gut microbes: Study with modern hunter-gatherers tells tale of bacteria co-evolution
- Gut capacity limits bird's ability to adapt to rapid climate change
- Tiger beetle's chase highlights mechanical law
- New method of screening children for autism spectrum disorders works at 9 months old
- Targeting cancer with a triple threat: New nanoparticles can deliver three drugs at once
- Regenerated esophagus transplanted in rats
- Hair from infants gives clues about life in womb
- Moth study suggests hidden climate change impacts
- NASA Cassini images may reveal birth of a Saturn moon
- We're over the hill at 24, study says
- Fire and drought may push Amazonian forests beyond tipping point
- Plugging an ozone hole: Extreme Antarctic ozone holes have not been replicated in Arctic
- Ferns borrowed genes to flourish in low light
- Air pollution over Asia influences global weather and makes Pacific storms more intense
- Cosmic slurp: Supercomputers help astronomers understand and predict how black holes swallow stars
Wednesday, April 23, 2014
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