Terrestrial gamma-ray flashes occur above some thunderstorms and propagate out into space. These high-energy discharges of photons were only discovered less than 25 years ago when a NASA spacecraft designed to observe cosmic ...
Astronomy
May 15, 2019
0
17
The first humans who settled in Scandinavia more than 10,000 years ago left their DNA behind in ancient chewing gum, masticated lumps made from birch bark pitch. This is shown in a new study conducted at Stockholm University ...
Archaeology
May 15, 2019
3
1692
Realistic estimates show that global warming can only be kept below 1.5 or two degrees Celsius if carbon dioxide is actively removed from the atmosphere. Storage beneath the seafloor is an option that has been investigated ...
Earth Sciences
May 15, 2019
0
5
Blockchain technology has been considered as the most revolutionizing invention since the internet. Due to its immutable nature and the associated security and privacy benefits, it has attracted the attention of banks, governments, ...
Computer Sciences
May 15, 2019
0
13
Two Hawaiian crows, or alala, have done something momentous in the struggle to save the critically endangered species.
Ecology
May 15, 2019
0
4
In nature conservation and agriculture, there are two opposing views of how to combine high biodiversity and sustainable food production: Nature conservation should either be integrated into agricultural land, or segregated ...
Ecology
May 15, 2019
0
4
Multi-component materials are among the most promising materials in the engineering and biomedical applications. Compared with traditional alloys, the composition design of multi-component materials is more complicated, and ...
Materials Science
May 15, 2019
0
4
Marine biologists in Australia and the United States are joining forces to resuscitate two of the world's major coral reef systems along their coastlines threatened by rising ocean temperatures and extreme weather.
Environment
May 15, 2019
0
6
The man at the other end of the phone line was confused. But Daina Blackmon, with the same certification as a 911 dispatcher, calmly probed for signs of trouble.
Business
May 15, 2019
1
8
Thanks to a geomagnetic storm from the sun, skywatchers across the far northern U.S. and most of Canada later this week could see the aurora borealis, aka the northern lights.
Space Exploration
May 15, 2019
0
259
