Stem cells: Tuning the death sentence

In this week's issue of Science Signaling (22 January, 2013), Danen and colleagues of the Division of Toxicology of LACDR report novel insights into the question how stem cells decide to commit suicide when their DNA is damaged.

Planet 'devoured in secret' by its own sun

(Phys.org)—A planet roughly 1.4 times the size of Jupiter is being consumed by its own star behind a shroud thanks to a magnesium veil absorbing all of certain light wavelengths, according to new observations by the Hubble ...

A 3-D light switch for the brain

A new tool for neuroscientists delivers a thousand pinpricks of light to a chunk of gray matter smaller than a sugar cube. The new fiber-optic device, created by biologists and engineers at the Massachusetts Institute of ...

Sun emit a mid-level flare

(Phys.org)—On Nov. 13, 2012, the sun emitted a mid-level solar flare, peaking at 9:04 p.m. EST.

Controlling monkey brains and behavior with light

Researchers reporting online on July 26 in Current Biology have for the first time shown that they can control the behavior of monkeys by using pulses of blue light to very specifically activate particular brain cells. The ...

The Northern Lights dance over northern England

(AP) -- The Northern Lights have lit up the skies above Scotland, northern England and northern parts of Ireland after the biggest solar storm in more than six years bombarded Earth with radiation.

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