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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 -
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 -
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 -
Late Freeze Kills Fruit Buds, Study Shows
Apr. 23, 2014 — The recent late cold snap could mean less fruit this year. A horticulturist explains how to check if your fruit buds survived the late burst of cold weather. Fruit buds are usually damaged when it is ... 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 -
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 -
Following a Protein's Travel Inside Cells Is Key to Improving Patient Monitoring, Drug Development
Apr. 23, 2014 — A technique to detect subcellular location of a protein has been developed by scientists. In science, "simple and accessible detection methods that can rapidly screen a large cell population ... full story -
Legalizing Medical Marijuana Doesn't Increase Use Among Adolescents, Study Says
Apr. 23, 2014 — Parents and physicians concerned about an increase in adolescents' marijuana use following the legalization of medical marijuana can breathe a sigh of relief. According to a new study that ... full story -
High-Calorie, Low-Nutrient Foods in Kids' TV Programs
Apr. 23, 2014 — Fruits and vegetables are often displayed in the popular Swedish children’s TV show Bolibompa, but there are also plenty of high-sugar foods. A new study explores how food is portrayed in ... full story -
How Australia's Outback Got One Million Feral Camels: Camels Culled on Large Scale
Apr. 23, 2014 — A new study has shed light on how an estimated one million-strong population of wild camels thriving in Australia's remote outback have become reviled as pests and culled on a large ... 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 -
Cell Division Speed Influences Gene Architecture
Apr. 23, 2014 — Speed-reading is a technique used to read quickly. It involves visual searching for clues to meaning and skipping non-essential words and/or sentences. Similarly in humans, biological systems are ... full story -
Best Practices in Communication for Animal World
Apr. 22, 2014 — Effective communication is not just about the signaler, according to a new study. The receiver also needs to assess the signaler efficiently. For instance, one of the most effective strategies from ... full story -
Getting at the Root of Mountain Pine Beetle's Rapid Habitat Expansion
Apr. 22, 2014 — The mountain pine beetle has wreaked havoc in North America, across forests from the American Southwest to British Columbia and Alberta, with the potential to spread all the way to the Atlantic ... 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 -
Bioinformatics Profiling Identifies a New Mammalian Clock Gene
Apr. 22, 2014 — Over 15 mammalian clock proteins have been identified, but researchers surmise there are more. Could big data approaches help find them? To accelerate clock-gene discovery, investigators used a ... full story -
Critical New Protein Complex Involved in Learning, Memory
Apr. 22, 2014 — A protein complex that plays a critical but previously unknown role in learning and memory formation has been identified by researchers. "This is a critical building block that regulates a ... 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
- Male or female? First sex-determining genes appeared in mammals some 180 million years ago
- Picky male black widow spiders prefer well-fed virgins
- Enzymes that help fix cancer-causing DNA defects disovered
- Novel compound halts cocaine addiction, relapse behaviors
- Scientists identify source of mysterious sound in the Southern Ocean
- Late freeze kills fruit buds, study shows
- Sugar-sweetened beverages contribute to U.S. obesity epidemic, particularly among children
- From liability to viability: Genes on the Y chromosome prove essential for male survival
- Following a protein's travel inside cells is key to improving patient monitoring, drug development
- Legalizing medical marijuana doesn't increase use among adolescents, study says
- High-calorie, low-nutrient foods in kids' TV programs
- How Australia's Outback got one million feral camels: Camels culled on large scale
- Political ravens? Ravens notice the relationships among others, study shows
- Cell division speed influences gene architecture
- Best practices in communication for animal world
- Getting at the root of mountain pine beetle's rapid habitat expansion
- Cougars’ diverse diet helped them survive the mass extinction that wiped out the saber-tooth cat, American lion
- Bioinformatics profiling identifies a new mammalian clock gene
- Critical new protein complex involved in learning, memory
- Mantis shrimp stronger than airplanes: Composite material inspired by shrimp stronger than standard used in airplane frames
- New patenting guidelines needed for biotechnology, experts argue
- Neuroimaging Technique: Live from inside the cell in real-time
- How cells take out the trash
- A new 'APEX' in plant studies aboard the International Space Station
- For an immune cell, microgravity mimics aging
- First size-based chromatography technique for the study of livi
- New electric fish genus, species discovered in Brazil's Rio Negro
- Applying math to biology: Software identifies disease-causing mutations in undiagnosed illnesses
- Taxonomic study of green algae (chlorophyta) in Langkawi, Malaysia
- Wildlife response to climate change is likely underestimated, experts warn
- Brain size matters when it comes to animal self-control
- Turoctocog alfa in patients with hemophilia A: Added benefit not proven, article finds
- How the body fights against viruses
- UV-radiation data to help ecological research
- 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
- Combination of alcohol, tobacco increases risk of esophageal cancer
- 179 million cases of acute diarrhea in U.S. each year, most preventable
- Two genes linked to inflammatory bowel disease
- Cow manure harbors diverse new antibiotic resistance genes
- 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
- European Eel Expedition 2014: First phase successfully completed
- Sleeping away infection: Researchers find link between sleep, immune function in fruitflies
- Queuing theory helps physicist understand protein recycling
- Earth Week: Bark beetles change Rocky Mountain stream flows, affect water quality
- Malfunction in molecular 'proofreader' prevents repair of UV-induced DNA damage
- Plague in your family: Family tree of black death bacterium explored
- 'Dustman' protein helps kill cancer cells
- Safer alternatives to nonsteroidal antinflamatory pain killers
- Gene within a gene contributes to aggressiveness of acute myeloid leukemia
- New technology for greenhouses developed
- Lack of breeding threatens blue-footed boobies' survival
- Anti-inflammatory factory: The role lipids play
- Rice gets trendy, adds nutrients, so much more
- Top 10 functional food trends for 2014
- Edible flowers may inhibit chronic diseases
- Ginseng can treat, prevent influenza, RSV, researcher finds
- A protein required for integrity of induced pluripotent stem cells
- Birthplace of the domesticated chili pepper identified in Mexico
- More questions than answers as mystery of domestication deepens
- New material coating technology mimics nature's lotus effect
- Why alcoholism saps muscle strength
- Climate benefit of biofuels from corn residue: Researchers cast doubt
- Source of most cases of invasive bladder cancer identified
- Link between Down syndrome, leukemia uncovered
- Bulletproof nuclei? Stem cells exhibit unusual absorption property
- Computational method dramatically speeds up estimates of gene expression
- Study of gut microbes, antibiotics offers clues to improving immunity in premature babies
- Researchers rethink 'natural' habitat for wildlife
- MRI, on a molecular scale: System could one day peer into the atomic structure of individual molecules
- No-till soil organic carbon sequestration rates published
- Proteins conspire to make breast cancer cells resistant to drug treatment
- Plants with dormant seeds give rise to more species
- 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
- Mom's diet mirrors child's food allergies
- Multitarget TB drug could treat other diseases, evade resistance
- Target for treating dengue fever discovered
- Five anthropogenic factors that will radically alter northern forests in 50 years
- How the immune system protects children from malaria
- Malaria pathogen's cellular skeleton under super-microscope
- Gene variant raises risk for aortic tear, rupture
- First genetic link discovered to difficult-to-diagnose breast cancer sub-type
- Deadly human pathogen Cryptococcus fully sequenced
- Gene variant increases risk of colorectal cancer from eating processed meat
- Progressive neurodegenerative disorder linked to R-loop formation
- Live cell imaging reveals distinct alterations of subcellular glutathione potentials
- Influenza, bacterial superinfections reviewed in journal
- Findings shed light on seagrass needs
- Mutant enzyme RECQ4 connected to cancer's 'Warburg effect'
- New perspective on sepsis published
- More, bigger wildfires burning western US over last 30 years
- Fish consumption advisories for expecting mothers fail to cover all types of contaminants
- Alternative identification methods for threatened species urged
Wednesday, April 23, 2014
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Thursday, April 17, 2014
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