loading ...
General Science / Biology news 1234

Digestive process affects anti-cancer activity of tea in gastrointestinal cells

April 07, 2008 | User rating: 5 / 5 after 8 vote(s) | No comments yet

Increased consumption of teas rich in catechins is associated with reduced risk of stomach, colon and other gastrointestinal cancers. However, the effects of digestion on the anticancer activity of tea catechins have largely ...


Turning back the clock for Schwann cells

May 19, 2008 | User rating: 5 / 5 after 6 vote(s) | No comments yet

Myelin-making Schwann cells have an ability every aging Hollywood star would envy: they can become young again. According to a study appearing in the May 19 issue of the Journal of Cell Biology, David B. Parkinson ...


12 new species discovered in Brazil

April 29, 2008 | User rating: 5 / 5 after 6 vote(s) | No comments yet

Researchers discovered a legless lizard and a tiny woodpecker along with 12 other suspected new species in Brazil’s Cerrado, one of the world’s 34 biodiversity conservation hotspots.


UK's organic cows are cream of the crop

May 27, 2008 | User rating: 5 / 5 after 11 vote(s) | User comments: 1

A new study by Newcastle University proves that organic farmers who let their cows graze as nature intended are producing better quality milk. The Nafferton Ecological Farming Group study found that grazing cows on organic ...


Tumor suppressor genes speed up and slow down aging in engineered mouse

May 30, 2008 | User rating: 5 / 5 after 12 vote(s) | No comments yet

Mayo Clinic researchers have developed an animal model that can test the function of two prominent tumor suppressor genes, p16 and p19, in the aging process. Scientists knew that both these genes were expressed at increased ...


From Canada to the Caribbean: Tree leaves control their own temperature

June 11, 2008 | User rating: 5 / 5 after 6 vote(s) | No comments yet

The temperature inside a healthy, photosynthesizing tree leaf is affected less by outside environmental temperature than originally believed, according to new research from biologists at the University of Pennsylvania.


How to build a plant

June 26, 2008 | User rating: 5 / 5 after 8 vote(s) | User comments: 1

Dr. Sarah Hake and her colleagues, George Chuck, Hector Candela-Anton, Nathalie Bolduc, Jihyun Moon, Devin O'Connor, China Lunde, and Beth Thompson, have taken advantage of the information from sequenced grass genomes to ...


RNA emerges from DNA's shadow

July 10, 2008 | User rating: 5 / 5 after 6 vote(s) | No comments yet

RNA, the transporter of genetic information within the cell, has emerged from the shadow of DNA to become one of the hottest research areas of molecular biology, with implications for many diseases as well as understanding ...


Genes that control embryonic stem cell fate identified

July 10, 2008 | User rating: 5 / 5 after 6 vote(s) | No comments yet

Scientists have identified about two dozen genes that control embryonic stem cell fate. The genes may either prod or restrain stem cells from drifting into a kind of limbo, they suspect. The limbo lies between the embryonic ...


A Viral Cloaking Device: Biologists show how Human Cytomegalovirus hides from the immune system

July 18, 2008 | User rating: 5 / 5 after 7 vote(s) | User comments: 1

(PhysOrg.com) -- Viruses achieve their definition of success when they can thrive without killing their host. Now, biologists Pamela Bjorkman and Zhiru Yang of the California Institute of Technology have uncovered how one ...


Research could put penicillin back in battle against antibiotic resistant bugs that kill millions

March 12, 2008 | User rating: 5 / 5 after 23 vote(s) | User comments: 1

Research led by the University of Warwick has uncovered exactly how the bacterium Streptococcus pneumoniae has become resistant to the antibiotic penicillin. The same research could also open up MRSA to attack ...


Scientists produce functioning neurons from human embryonic stem cells

August 09, 2007 | User rating: 4.9 / 5 after 18 vote(s) | No comments yet

Scientists with the Institute of Stem Cell Biology and Medicine at UCLA were able to produce from human embryonic stem cells a highly pure, large quantity of functioning neurons that will allow them to create models of and ...


Multi-lab collaboration yields first detailed map of nuclear pore complex

December 03, 2007 | User rating: 4.9 / 5 after 18 vote(s) | No comments yet

A cell’s membrane-bound nucleus contains precious contents — its DNA — so it must be very careful about what enters and leaves this important space. To do this, it uses hundreds to thousands of nuclear pores ...


Researchers investigate mass bat deaths

February 21, 2008 | User rating: 4.9 / 5 after 17 vote(s) | No comments yet

First it was bees that were mysteriously dying. Now it's bats.


Research team uses tiny wasp to wipe out major agricultural pest in Tahiti

March 14, 2008 | User rating: 4.9 / 5 after 16 vote(s) | User comments: 3

A research team led by Mark Hoddle, a biological control specialist at UC Riverside, has nearly eradicated the glassy-winged sharpshooter, a major agricultural pest, from the island of Tahiti and several other ...


Pages: 1 2 Next »