السبت، 26 نوفمبر 2016

ScienceDaily: Top News

ScienceDaily: Top News


Mouth cancer rates soar over 20 years

Posted: 25 Nov 2016 05:42 AM PST

Rates of mouth (oral) cancer have jumped by 6 per cent in the United Kingdom over the last 20 years, a new analysis reveals.

Scientists step closer to halting spread of lung cancer

Posted: 25 Nov 2016 05:42 AM PST

A component of cancer cells, which acts like a 'cellular post office', could be the key to preventing the spread of lung cancer to other parts of the body, scientists have discovered.

Theory that challenges Einstein's physics could soon be put to the test

Posted: 25 Nov 2016 05:42 AM PST

Scientists behind a theory that the speed of light is variable -- and not constant as Einstein suggested -- have made a prediction that could be tested.

New drug limits and then repairs brain damage in stroke

Posted: 25 Nov 2016 05:42 AM PST

A potential new drug reduces the number of brain cells destroyed by stroke and then helps to repair the damage, researchers have discovered.

New method for predicting congenital congenital cytomegalovirus infection during the prenatal period

Posted: 25 Nov 2016 05:42 AM PST

Congenital cytomegalovirus (CMV) infection can cause serious complications such as hearing difficulties and mental delay in affected infants. A research team has discovered a new method for predicting congenital CMV infection during the prenatal period. This method is safe for both mothers and fetuses, and could potentially be adopted for general use, report researchers.

Mechanism revealed for side effects of drug used in hematopoietic stem cell harvesting

Posted: 25 Nov 2016 05:42 AM PST

Scientists have revealed the mechanism for side effects such as fever and bone pain caused by G-CSF, which is widely used for peripheral blood hematopoietic stem cell harvesting (PBSCH). This is an important method for hematopoietic stem cell transplantation (HSCT) used to treat hematological malignancies such as leukemia.

Promoting Parasites: Researchers' quest to identify freshwater fish parasites in Japan

Posted: 25 Nov 2016 05:42 AM PST

Scientists have identified a new species of parasite infecting an invasive freshwater fish on the subtropical island of Okinawa, Japan. The results are part of a project to find parasites that have arrived in Japan with their non-native hosts and understand the role of parasites in natural ecosystems.  Tracking parasites can be one scientific method to monitor ecosystem health and attempt to conserve biodiversity.

More than 100 million dead trees in California from drought

Posted: 25 Nov 2016 05:35 AM PST

The U.S. Forest Service has identified an additional 36 million dead trees across California since its last aerial survey in May 2016. This brings the total number of dead trees since 2010 to over 102 million on 7.7 million acres of California's drought stricken forests. In 2016 alone, 62 million trees have died, representing more than a 100 percent increase in dead trees across the state from 2015. Millions of additional trees are weakened and expected to die in the coming months and years.

Early America: Evidence of original 1620 Plymouth settlement discovered

Posted: 25 Nov 2016 05:30 AM PST

Three hundred and ninety-five years after Pilgrims celebrated the first Thanksgiving in Plymouth, Massachusetts, researchers from can say they have definitively discovered evidence of the original 1620 Plymouth settlement. Part of the proof involves a calf that UMass Boston students have affectionately named Constance.

Practice testing protects memory against stress

Posted: 24 Nov 2016 01:04 PM PST

Learning by taking practice tests, a strategy known as retrieval practice, can protect memory against the negative effects of stress, report scientists.

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