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Monday, May 4, 2015

ScienceDaily: Latest Science News

Generic transplant drugs as good as brand name, experts say
Human-inspired robot takes a brisk walk in the grass
Chemists cook up three atom-thick electronic sheets
Tough laws to stop the trade of endangered wildlife 'not enough'
Marshes, reefs, beaches can enhance coastal resilience
Black holes gorging at excessive rates
Young people think friends are more at risk of cyberbullying
New test predicts sudden cardiac death in hemodialysis patients

Generic transplant drugs as good as brand name, experts say

Posted: 03 May 2015 10:42 AM PDT

Scientists have found that generic formulations of tacrolimus, a drug used post-transplant to lower the risk of organ rejection, are just as good as the name-brand version.

Human-inspired robot takes a brisk walk in the grass

Posted: 03 May 2015 07:16 AM PDT

In a rolling, outdoor field, full of lumps, bumps and uneven terrain, researchers have successfully field-tested for the first time the locomotion abilities of a two-legged robot with technology that they believe heralds the running robots of the future.

Chemists cook up three atom-thick electronic sheets

Posted: 03 May 2015 07:11 AM PDT

Making thin films out of semiconducting materials is analogous to how ice grows on a windowpane: When the conditions are just right, the semiconductor grows in flat crystals that slowly fuse together, eventually forming a continuous film. This process of film deposition is common for traditional semiconductors like silicon or gallium arsenide -- the basis of modern electronics -- but scientists are now pushing the limits for how thin they can go. They have demonstrated a way to create a new kind of semiconductor thin film that retains its electrical properties even when it is just atoms thick.

Tough laws to stop the trade of endangered wildlife 'not enough'

Posted: 03 May 2015 06:58 AM PDT

Western conservation groups are seeking stricter law enforcement to tackle a trade in endangered wildlife, but a researcher warns that this is not a 'silver bullet' solution. He highlights the case of the Bali starling, where bringing in tougher laws back-fired -- only serving to make the bird more popular among the elite. He highlights how sometimes local people who know the realities on the ground get better results.

Marshes, reefs, beaches can enhance coastal resilience

Posted: 03 May 2015 06:52 AM PDT

The resilience of U.S. coastal communities to storms, flooding, erosion and other threats can be strengthened when they are protected by natural infrastructure such as marshes, reefs, and beaches, or with hybrid approaches, such as a "living shoreline" -- a combination of natural habitat and built infrastructure, according to a new study.

Black holes gorging at excessive rates

Posted: 03 May 2015 06:18 AM PDT

A group of unusual giant black holes may be consuming excessive amounts of matter, according to a new study. This finding may help astronomers understand how the largest black holes were able to grow so rapidly in the early Universe.

Young people think friends are more at risk of cyberbullying

Posted: 03 May 2015 05:49 AM PDT

Young people are aware of the risks of cyberbullying but perceive others as being more at risk than themselves. Young women are more vulnerable to this perception than young men.

New test predicts sudden cardiac death in hemodialysis patients

Posted: 03 May 2015 05:48 AM PDT

A new test has been developed to predict sudden cardiac death in hemodialysis patients in whom such forecasts were previously impossible. The test uses a combination of nuclear medicine, C-reactive protein and electrocardiogram (ECG). Researchers found that patients with 2 or 3 abnormal measures were at 145 times increased cardiac risk.