Harvard University

Cloaked DNA nanodevices survive pilot mission

It's a familiar trope in science fiction: In enemy territory, activate your cloaking device. And real-world viruses use similar tactics to make themselves invisible to the immune system. Now scientists at ...

Apr 22, 2014
5 / 5 (5) 0

How Earth was watered

Early Earth's accidental deluge via water-carrying comets has long been a stumbling block for those interested in life on other planets.

Feb 28, 2014
4.2 / 5 (27) 6

'On' switches for cells

(Phys.org) —Whether human or animal, vertebrate or invertebrate, nearly every creature begins life as a tiny clump of cells. Before those cells can begin blossoming toward being a fully formed organism, ...

Feb 03, 2014
4.7 / 5 (3) 0 | with audio podcast

Rethinking the roots of altruism

For decades, researchers working to understand how altruistic behavior evolved have relied on a concept known as inclusive fitness, which holds that organisms receive an evolutionary benefit—and are able ...

Jan 13, 2014
4.2 / 5 (10) 30 | with audio podcast