To break out of Earth's lower orbit, hypersonic vehicles must reach speeds greater than Mach 5. At these hypersonic speeds, the air particles and gases that flow around the vehicle and interact with the surfaces generate ...
Soft Matter
Nov 6, 2018
1
27
A whistleblower who claimed data consultancy Cambridge Analytica played a role in obtaining data from Facebook users called Tuesday for greater government regulation of social media and online advertising.
Internet
Nov 6, 2018
1
5
A NASA spacecraft has made its first close approach to the sun, just 2 1/2 months after liftoff.
Space Exploration
Nov 6, 2018
5
266
The main trade group for French hotels has sued the home-sharing giant Airbnb, accusing it of unfair competition by "knowingly violating" rules imposed as part of a crackdown in one of the US giant's biggest markets.
Business
Nov 6, 2018
0
5
Niger is turning to drone technology to help protect a Saharan antelope and other endangered species in Africa's largest terrestrial park.
Ecology
Nov 6, 2018
0
12
Asian jumping earthworms are carving out territory all over the U.S. Midwest and East Coast, leaving in their wake changed soils that are just beginning to be studied.
Environment
Nov 6, 2018
0
7
Researchers at the University of Oregon have identified a novel protein secreted by a common gut bacterium in zebrafish that reduces inflammation in the gut and delays death by septic shock.
Cell & Microbiology
Nov 6, 2018
0
89
An observational technique first proposed more than four decades ago to measure the physical parameters of the corona that determine the formation of the solar wind—the source of disturbances in Earth's upper atmosphere—will ...
Space Exploration
Nov 6, 2018
4
14
Four out of six South African rhinos that were transferred to a park in southeast Chad in a bid to revive the endangered species have died, but not from poaching, conservationists say.
Ecology
Nov 6, 2018
0
12
European Union authorities say they have cleared Disney's acquisition of Fox's entertainment assets, provided Disney sells off some TV channels it controls in Europe to maintain competition.
Business
Nov 6, 2018
0
32
