News tagged with chemical interaction

An end to animal testing for drug discovery?

As some countries and companies roll out new rules to limit animal testing in pharmaceutical products designed for people, scientists are stepping in with a new way to test therapeutic drug candidates and determine drug safety ...

Mar 18, 2014 4.3 / 5 (6) 0

Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New research from ...

Apr 24, 2013 4.7 / 5 (3) 0 | with audio podcast

Random walks on DNA

Scientists have revealed how a bacterial enzyme has evolved an energy-efficient method to move long distances along DNA. The findings, published in Science, present further insight into the coupling of chemical and mechan ...

Apr 19, 2013 4.3 / 5 (3) 0 | with audio podcast