Archive: 09/5/2008

Dental fillings without gaps

Tooth cavities are usually closed with plastic fillings. However, the initially soft plastic shrinks as it hardens. The tension can cause gaps to appear between the tooth and the filling, encouraging more ...

Sep 05, 2008
3.4 / 5 (5) 1

Tracking the reasons many girls avoid science and math

Most parents and many teachers believe that if middle-school and high-school girls show no interest in science or math, there's little anyone can do about it. New research by a team that includes vocational ...

Sep 05, 2008
3.9 / 5 (16) 0

Changes in urine could lead to BSE test for live animals

Researchers have demonstrated that protein levels in urine samples can indicate both the presence and progress of Bovine Spongiform Encephalopathy (BSE) disease in cattle. Publishing their findings in BioMed Central's open ...

Sep 05, 2008
5 / 5 (2) 2

Lightweight and long-legged males go the distance for sex

Finding a mate can take considerable legwork as recently illustrated by the flightless and nocturnal Cook Strait giant weta Deinacrida rugosa. This cricket relative is found in New Zealand and is one of the ...

Sep 05, 2008
4.2 / 5 (6) 0

Old sheep raising the baaa

Populations of wild animals face the challenge of surviving in a changing climate. Researchers at Imperial College London and Université Claude Bernard Lyon have shown how a sheep population on a remote island ...

Sep 05, 2008
4.6 / 5 (5) 0

1 step back ... 2 steps forward

Women with hormone-receptor positive, metastatic breast cancer may take medications for years to help keep their cancer at bay, but when the tumor becomes resistant to anti-hormonal drugs, treatment with chemotherapy becomes ...

Sep 05, 2008
4.6 / 5 (5) 0