09/03/2015

Progeny of old parents have fewer offspring

Reproduction at old age involves risks that may impact one's own life and may impose reduced biological fitness on the offspring. Such evidence, previously obtained in humans and other taxa under laboratory conditions, has ...

Cooperative communities emerge in transparent social networks

People in a society are bound together by a set of connections - a social network. Cooperation between people in the network is essential for societies to prosper, and the question of what drives the emergence and sustainability ...

One step closer to artificial photosynthesis and 'solar fuels'

Caltech scientists, inspired by a chemical process found in leaves, have developed an electrically conductive film that could help pave the way for devices capable of harnessing sunlight to split water into hydrogen fuel.

APPLE EVENT LIVE: The watch, a gold MacBook, HBO on iPhone

Make calls, read email, control music, manage Instagram photos, keep up with your workout, pay for groceries, open your hotel room door. CEO Tim Cook says you can do it all from your wrist with Apple Watch—for 18 hours ...

New 3-D imaging technology for living cells

The major limitation of microscopy is light itself: if we want to see an object smaller than the wavelength of visible light, we cannot use conventional optics. When it comes to imaging cells, the problems compound, since ...

NIST gets new angle on X-ray measurements

Criminal justice, cosmology and computer manufacturing may not look to have much in common, but these and many other disparate fields all depend on sensitive measurements of X-rays. Scientists at the National Institute of ...

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