(Phys.org) —A team of researchers from the U.S. and Brazil has created a virtual map of possible ancient human population centers in the Amazonian jungle by using statistical methods that connect modern terra preta areas. ...
(Phys.org) —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra X-ray Observatory ...
Astronomy
Jan 8, 2014
31
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After years of sleuthing for clues about where and when pantherine felids ("big cats") originated, a Smithsonian scientist and an international team of researchers are one step closer to understanding the evolutionary history ...
Evolution
Jan 8, 2014
0
0
The number of countries possessing the makings of a nuclear bomb has dropped by almost one-quarter over the past two years, but there remain "dangerous weak links" in nuclear materials security that could be exploited by ...
Energy & Green Tech
Jan 8, 2014
0
0
(Phys.org) —A starfish has an eye at the end of each arm. While scientists have known about the existence of these eyes for about two hundred years, until now, they haven't been able to find out what starfish can see or ...
It's not a bird, not a plane. But it could be someone's personal drone coming to the skies near you.
Engineering
Jan 8, 2014
12
0
A dollar bill gets around, passing from hand to hand, falling on streets and sidewalks, eventually getting so grimy that a bank machine flags it and sends it to the shredder. Rather than destroying it, scientists have developed ...
Other
Jan 8, 2014
0
0
(Phys.org) —A trio of researchers from the University of Manitoba has concluded that the action known as a jump-yip, performed by some species of prairie dogs, is done more to assess group alertness than to sound the all-clear ...
Scientists are reporting the development of a novel metal ink made of small sheets of copper that can be used to write a functioning, flexible electric circuit on regular printer paper. Their report on the conductive ink, ...
Nanomaterials
Jan 8, 2014
1
0
An object discovered by astrophysicists at the University of Toronto (U of T) nearly 500 light years away from the Sun may challenge traditional understandings about how planets and stars form.
Astronomy
Jan 8, 2014
14
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