Reconstructing an ancient lethal weapon
Archaeologists are a little like forensic investigators: They scour the remains of past societies, looking for clues in pottery, tools and bones about how people lived, and how they died.
Archaeologists are a little like forensic investigators: They scour the remains of past societies, looking for clues in pottery, tools and bones about how people lived, and how they died.
Archaeology
Jan 31, 2018
2
381
Current computer systems represent bits of information, the 1's and 0's of binary code, with electricity. Circuit elements, such as transistors, operate on these electric signals, producing outputs that are dependent on their ...
Optics & Photonics
Jan 31, 2018
0
160
A previously unrecognized source of nitrogen oxide is contributing up to about 40 percent of the NOx emissions in California, according to a study led by the University of California, Davis. The study traces the emissions ...
Environment
Jan 31, 2018
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688
On January 9th, Carnegie Mellon University, supported by Mitsubishi Hitachi Power Systems (MHPS), announced the release of the Power Sector Carbon Index's third quarter update, measuring the carbon dioxide emissions intensity ...
Energy & Green Tech
Jan 31, 2018
0
43
Apple is cooperating with U.S. government inquiries into its secret slowdown of older iPhones, further complicating its efforts to move past an issue that irked customers whose devices bogged down.
Consumer & Gadgets
Jan 31, 2018
0
14
Just a week after scientists reported evidence that our species left Africa earlier than we thought, another discovery is suggesting the date might be pushed back further.
Archaeology
Jan 31, 2018
53
598
New research has demonstrated how the nano-architecture of a silkworm's fiber causes "Anderson localization of light," a discovery that could lead to various innovations and a better understanding of light transport and heat ...
Materials Science
Jan 31, 2018
0
378
Googling "SNARE proteins," neuroscientist Edward Chapman gets a screenful of images showing corkscrew-shaped molecules, intertwined as they seize the outer membranes of two cells. "They did not give us credit at Wikipedia, ...
Cell & Microbiology
Jan 31, 2018
0
190
If you had to copy billions of letters from one sheet of paper to another, you'd probably make a few mistakes. So it might not come as a surprise that when DNA makes a copy of its three-billion-base genetic code, it can slip ...
Cell & Microbiology
Jan 31, 2018
0
506
An international team of scientists has mapped the evolutionary relationships between China's 30,000 flowering plant species, uncovering a distinct regional pattern in biodiversity. Eastern China is a floral "museum" with ...
Evolution
Jan 31, 2018
1
93