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After dinosaurs, mammals rise but their genomes get smaller

BLOOMINGTON, Ind. -- Evidence buried in the chromosomes of animals and plants strongly suggests only one group -- mammals -- have seen their genomes shrink after the dinosaurs' extinction. What's more, that trend continues today, say Indiana University Bloomington scientists in the first issue of ...

Dolphins get a lift from delta wing technology

We can only marvel at the way that dolphins, whales and porpoises scythe through water. Their finlike flippers seem perfectly adapted for maximum aquatic agility. However, no one had ever analysed how the animals' flippers interact with water; the hydrodynamic lift that they generate, the drag tha...

How mitochondria get their membranes bent

This release is available in German . Mitochondria are the powerhouses of cells. Underneath their smooth surface they harbor an elaborately folded inner membrane. It holds a multitude of bottleneck like invaginations, which expand into elongated cavities (cristae). The narrow shape of the...

As good as it gets: Octogenarian muscles don't get stronger with exercise

BETHESDA, Md. (Mar. 31, 2009) Octogenarian women were unable to increase muscle mass after a 3-month weight lifting program targeted at strengthening the thigh muscle, according to a new study from the Journal of Applied Physiology . The results are surprising because previous studies have found ...

Quails get super fit by simply eating omega-3 diet

When tiny semipalmated sandpipers embark on their annual odyssey from the Canadian Arctic to their winter residences in South America, they set out on one of the world's longest migrations. On the way, the tiny birds stop off at the Bay of Fundy on the Canadian east coast, where they spend two wee...

The egg makes sure that sperm don't get too old

In contrast to women, men are fertile throughout life, but research at the Sahlgrenska Academy, University of Gothenburg, Sweden, has now shown that a fertilising sperm can get help from the egg to rejuvenate. The result is an important step towards future stem cell therapy. The risk of chromos...

Tigers get a stimulus plan

NEW YORK (February 26, 2009) The Wildlife Conservation Society (WCS), together with the World Bank and Global Environment Facility (GEF), announced today a commitment of $2.8 million toward tiger conservation across its range. WCS will lead a new project, Tiger Futures, in partnership with othe...

Nanoparticle toxicity doesn't get wacky at the smallest sizes

CHICAGO -- The smallest nano-sized silica particles used in biomedicine and engineering likely won't cause unexpected biological responses due to their size, according to work presented today. The result should allay fears that cells and tissues will react unpredictably when exposed to the finest ...

Caltech researchers get first look at how groups of cells coordinate their movements

PASADENA, Calif.--Using novel imaging, labeling, and data-analysis techniques, scientists from the California Institute of Technology (Caltech) have been able to visualize, for the first time, large numbers of cells moving en masse during some of the earliest stages of embryonic development. T...

Spider love: Little guys get lots more

Big males outperform smaller ones in head-to-head mating contests but diminutive males make ten times better lovers because they're quicker to mature and faster on their feet, a new study of redback spiders reveals. Published in the current online issue of Journal of Evolutionary Biology , the...

Caltech researchers get first 3-D glimpse of bacterial cell-wall architecture

PASADENA, Calif.--The bacterial cell wall that is the target of potent antibiotics such as penicillin is actually made up of a thin single layer of carbohydrate chains, linked together by peptides, which wrap around the bacterium like a belt around a person, according to research conducted by scie...

Beetles get by with a little help from their friends

Humans living in communities often rely on friends to help get what they need and, according to researchers in the lab of Cameron Currie at the University of Wisconsin-Madison, many microbes, plants and animals benefit from 'friendly' associations too. The Currie team's study, which was funded ...

Exciting new companies at NJIT's small biz incubator get 100K in grants

The New Jersey Commission on Science and Technology has awarded almost $100,000 as part of its SBIR bridge grant program to two start-up companies based in NJIT's high technology business incubator. Applechem Inc. www.applechem.biz and Lenterra www.lenterra.com , located in NJIT's Enterprise ...

Exciting new companies at NJIT's small biz incubator get 100K in lrants

The New Jersey Commission on Science and Technology has awarded almost $100,000 as part of its SBIR bridge grant program to two start-up companies based in NJIT's high technology business incubator. Applechem Inc. www.applechem.biz and Lenterra www.lenterra.com , located in NJIT's Enterprise ...

NC State researchers get to root of parasite genome

North Carolina State University scientists and colleagues have completed the genome sequence and genetic map of one of the world's most common and destructive plant parasites - Meloidogyne hapla , a microscopic, soil-dwelling worm known more commonly as the northern root-knot nematode. The res...

Racing cane toads reveals they get cold feet on Southern Australia invasion

Cane toads weren't allowed to compete in the Olympics, but scientists have raced cane toads in the laboratory and calculated that they would not be able to invade Melbourne, Adelaide or Hobart and are unlikely to do well in Perth or Sydney, even with climate change. According to research by Dr ...

Food, health get top billing at national chemistry meeting

PHILADELPHIA Well beyond the advice to drink enough H2O and not eat too much NaCl, the nation's chemists will get elemental with grapefruit, onions, peppers, tomatoes, carrots and watermelons this week at the American Chemical Society meeting. The world's largest scientific society is observing...

Sony Cyber-shot Cameras Get Smarter

SAN DIEGO, Aug. 7 /PRNewswire/ -- Sony is making the grade with the introduction of the stylish Cyber-shot(R) DSC-T700 and DSC-T77 digital cameras with "intelligent" shooting functions. The 10-megapixel T77 camera is Sony's thinnest model at less than 5/8 of an inch with a 3-inch, 16 x 9 tou...

Scientists in Hungary and Portugal get research boost

Heidelberg, 29 July 2008 Two talented life scientists will receive EMBO Installation Grants, assisting them to establish their research groups in Hungary and Portugal. These two scientists will receive funding in 2008 similar to the previous nine awardees announced in November 2007. The European ...

Ante-partum bed rest moms get active in Case Western Reserve University study

CLEVELANDAfter weeks of bed rest during pregnancy, new mothers need to rebuild muscles and strengthen their stamina. Now a group of women will test new interventions in aiding that recovery during a pilot study at Case Western Reserve University's Frances Payne Bolton School of Nursing. "Putting...

'Smart' materials get smarter with ability to better control shape and size

AUSTIN, TexasA dynamic way to alter the shape and size of microscopic three-dimensional structures built out of proteins has been developed by biological chemist Jason Shear and his former graduate student Bryan Kaehr at The University of Texas at Austin. Shear and Kaehr fabricated a variety of...

New discoveries from Harvard and Baylor get to the heart of cardiovascular disease

Even if you eat right and exercise regularly, chances are high that you'll still die of a heart attack or stroke. But thanks to new findings by researchers from Harvard and Baylor, the odds may finally shift in your favor. Two unrelated studies recently published online in The FASEB Journal ( ...

NIST chemists get scoop on crude 'oil' from pig manure

After a close examination of crude oil made from pig manure, chemists at the National Institute of Standards and Technology (NIST) are certain about a number of things. Most obviously, "This stuff smells worse than manure," says NIST chemist Tom Bruno. But a job's a job, so the NIST team has...

Over the back fence: gardeners get advice from neighbors, friends

ST. PAUL, MN -- Where do gardeners turn when they need information about annuals, perennials, shrubs and trees" Staff at University of Minnesota Extension have published results of a survey that concludes that the majority of backyard gardeners get their planting and plant information informallymo...

Cells get sprayed

This release is also available in German . Genetically engineered products have become indispensable. For example, genetically modified bacteria produce human insulin. In future, gene therapy should make it possible to introduce genes into the cells of a diseased organism so that they can ad...

Should children be permitted to get genetic testing for BRCA 1/2 mutations?

PHILADELPHIA -- Its an ethical dilemma with serious implications. Should children be tested for gene mutations that predispose them to developing breast cancer and/or ovarian cancer later in life" New research suggests the next generation of parents may support testing minors even when any step...

Breast cancer research and inkjet tissue printing get NSF boost

CLEMSON The National Science Foundation (NSF) has awarded $2 million to the Center for Biological Interfaces of Engineering (CBIOE) at Clemson University for the development of engineered tissues that will be used to study the causes, progression and treatment of breast cancer. The tissue engi...

Chemists get grip on slippery lipids

The ability of the body's cells to correctly receive and convey signals is crucial to good health. Lipids, or fats, play a critical role in this regulation by providing spaces for proteins to gather and network. They are helped in this process by protein molecules called lipid binding domains....

Male elephants get 'photo IDs' from scientists

Asian elephants dont carry photo identification, so scientists from the Wildlife Conservation Society and Indias Nature Conservation Foundation are providing the service free of charge by creating a photographic archive of individual elephants, which can help save them as well. The researcher...

College students who pull 'all-nighters' and get no sleep more likely to have a lower GPA

A common practice among many college students involves "pulling all-nighters", or a single night of total sleep deprivation, a practice associated with lower grade-point averages compared to those who make time for sleep, according to a research abstract that will be presented Wednesday at SLEEP 2...

Bats get the munchies too!

Many of us will be familiar with cravings for sweet food, after having overindulged in alcohol the night before. It appears that Egyptian fruit bats also crave particular types of sugar to reduce the effects of ethanol toxicity. Francisco Sanchez from the Ben-Gurion University of the Negev (Israel)...

It's never too late to get it back! Aging interrupted

Much research has shown that reduced calorie intake can increase health and longevity. Professor Stephen Spindler (University of California) and his collaborators* have discovered that reducing calorie intake later in life can still induce many of the health and longevity benefits of life-long calo...

Scientists see DNA get 'sunburned' for the first time

For the first time, scientists have observed DNA being damaged by ultraviolet (UV) light. Ohio State University chemists and their colleagues in Germany used a special technique to watch strands of DNA in the laboratory sustain damage in real time. They observed the most common chemical re...

Homing pigeons get their bearings from their beaks

It has long been recognized that birds possess the ability to use the Earth’s magnetic field for their navigation, although just how this is done has not yet been clarified. However, the discovery of iron-containing structures in the beaks of homing pigeons in a new study (1) by Gerta Fleissner an...

Termites get the vibe on what tastes good

Researchers from CSIRO and UNSW@ADFA have shown that termites can tell what sort of material their food is made of, without having to actually touch it. The findings may lead to improvements in the control of feeding termites. By offering them a choice between normal wooden blocks and specially d...

Ladybugs may be cute, but watch out when they get near wine

Modern man"s earliest known close ancestor was significantly more apelike than previously believed, a New York University College of Dentistry professor has found. A computer-generated reconstruction by Dr. Timothy Bromage, a paleoanthropologist and Adjunct Professor of Biomaterials and of Basi...

Scientists get best look ever at water-life connection

No one has ever seen exactly how water molecules interact with proteins ?even though water is the essential element for life . . . that is, not until now. Researchers led by Ohio State University physicist Dongping Zhong revealed these interactions for the first time, and report the results in th...

Adults who go to bed lonely get stress hormone boost next morning

A new study that takes a rare look at the physiological, social and emotional dynamics of day-to-day experiences in real-life settings shows that when older adults go to bed lonely, sad or overwhelmed, they have elevated levels of cortisol shortly after waking the next morning. Elevated levels of...

Why mice don't get cancer of the retina

Humans are more susceptible to developing the eye cancer retinoblastoma than mice because, unlike humans, mice can compensate for the loss of activity of a gene critical to normal retinal development , according to results of a study by investigators at St. Jude Children's Research Hospital. The st...

Do angry men get noticed?

By comparing how quickly human facial expressions of different types are detected in a crowd of neutral faces, researchers have demonstrated that male angry faces are a priority for visual processing ?particularly for male observers. The findings are reported by Mark Williams of the Massachusetts I...
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