Personality matters, even for squirrels

Humans acknowledge that personality goes a long way, at least for our species. But scientists have been more hesitant to ascribe personality—defined as consistent behavior over time—to other animals.

Record measurement of extremely small magnetic fields

Researchers at the research center QUANTOP at the Niels Bohr Institute at the University of Copenhagen (Denmark) have constructed an atomic magnetometer, which has achieved the highest sensitivity allowed by quantum mechanics. ...

Researchers identify cause of LED 'efficiency droop'

(Phys.org) —Rensselaer Polytechnic Institute researchers have identified the mechanism behind a plague of LED light bulbs: a flaw called "efficiency droop" that causes LEDs to lose up to 20 percent of their efficiency as ...

Keeping track of spacecraft as Earth's water alters its spin

Mass is constantly being redistributed around our planet, as Earth's atmosphere, oceans and other bodies of water on and under the surface melt, shift and stir. This mass redistribution alters Earth's center of gravity, which ...

Ancient tectonic activity was trigger for ice ages, study says

For hundreds of millions of years, Earth's climate has remained on a fairly even keel, with some dramatic exceptions: Around 80 million years ago, the planet's temperature plummeted, along with carbon dioxide levels in the ...

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