A localized dust storm on Mars may have played a key role in driving water into the planet’s upper atmosphere, offering fresh clues to how the Red Planet lost much of its water over billions…
Marker for Cancer Stem Cells
Fluorescent probe identifies tumor-initiating cells. Cells with stem-cell characteristics appear to be especially important in the formation and metastasis of tumors. Scientists have now developed a universal fluorescent probe for these “cancer stem cells”. As…
Moving nanoparticles using light and magnetic fields
In a recent study, researchers from the Indian Institute of Science, Bengaluru, have designed a novel approach to trap and manoeuvre objects as small as 100 nm. [caption id="attachment_14481" align="alignnone" width="2002"] Schematic of the two…
To sleep, perchance to forget
[caption id="attachment_14478" align="alignnone" width="775"] Giulio Tononi and Chiara Cirelli in the lab at the Wisconsin Institute for Sleep and Consciousness. PHOTO: JOHN MANIACI[/caption] The debate in sleep science has gone on for a generation. People…
Swarms detail energetic coupling
[caption id="attachment_14466" align="alignnone" width="700"] Earth's protective shield[/caption] The Sun bathes our planet in the light and heat it needs to sustain life, but it also bombards us with dangerous charged particles in solar wind. Our…