Quantcast

Science News Archive - July 29, 2009

d967285867d051b05bc27200295fe7d41

Scientists studied how Sumatran orangutans are able to swing from branches that appear too weak to handle their weight. They believe their findings will help their fight for survival.

d1426c0d721310d31f49a79739b008eb1

Researchers at the University of Liverpool have discovered that the Amazon river, and its transcontinental drainage, is around 11 million years old and took its present shape about 2.4 million years ago.

da6bd3c91ec63d5b16991d3d66c6ba291

It wasn’t that many years ago that the bowhead whale was written off as extinct in the waters around Greenland and especially in Disko Bay in northwest Greenland where University of Copenhagen has its Arctic Field Station.

Over the past decade microRNAs have emerged as key regulators of gene expression and have entirely revolutionized the way we think about gene regulation.

93f7d7caed282fcc97e295d1981b07621

Light is intangible and, in addition, it travels at great velocity. Nevertheless, it can be confined to a very small space by controlably inserting light into a microscopic container surrounded by reflective walls.

Mammals and many species of birds and fish are among evolution's "winners," while crocodiles, alligators and a reptile cousin of snakes known as the tuatara are among the losers, according to new research by UCLA scientists and colleagues.

Mounting evidence that human activity is changing the world’s oceans in profound and damaging ways is outlined in a new scientific discussion paper released today.

c86c81180516f9f34f2f5acbd0b8b02d1

“Although e-noses already have many uses – such as detecting spoilage in the food industry and monitoring air quality – they are not as discriminating as biological noses,” according to CSIRO scientist, Dr Stephen Trowell.

Stem cell research promises remedies to many devastating diseases that are currently incurable, ranging from diabetes and Parkinson's disease to paralysis.

Popular body-building products sold as nutritional supplements may contain steroids that produce acute liver injury and kidney failure, U.S.

Word of the Day
jument
  • A beast of burden; also, a beast in general.
'Jument' ultimately comes from the Latin 'jugum,' yoke.
Related