Historically, spring-run and fall-run Chinook salmon have been considered as separate subspecies, races, ecotypes, or even as separate species of fish. A new genetic analysis, however, shows that the timing of migration in ...
Plants & Animals
Oct 29, 2020
0
124
Elaine Almeida looked at her aunt's ruined house in Sabara, a town in a southeastern region of Brazil where at least 45 people have died in floods that followed record rainfall.
Environment
Jan 27, 2020
0
8
Iran said Sunday that two newly constructed satellites have passed pre-launch tests and will be transported to the nation's space center for eventual launch, without elaborating.
Space Exploration
Jan 19, 2020
0
7
Social media played a central role in the Arab Spring, when citizens demonstrated against and ousted oppressive government regimes. A new study from the University of Kansas analyzes how social media can also help citizens ...
Social Sciences
Apr 11, 2019
0
7
The crew of the Bell M. Shimada hauled in the net, long as a football field and teeming with life. Scientists, off the coast of Washington for a week on this June research trip, crowded in for a look.
Ecology
Apr 2, 2019
0
37
Could a Grand Unified Theory resolve the remaining mysteries of the Standard Model? If verified, it would provide an elegant description of the unification of Standard Model forces at very high energies, and might even explain ...
General Physics
Mar 13, 2019
0
84
SEATTLE—The National Oceanic and Atmospheric Administration (NOAA) is taking a fresh look at whether new fishing restrictions are needed to help prevent the extinction of endangered southern resident killer whales that ...
Plants & Animals
Mar 8, 2019
0
10
Simulations reveal that green walls filled with coconut peat could absorb storm water running off buildings, mitigating flash floods.
Environment
Jan 21, 2019
0
11
Authorities in the western US state of Oregon have euthanized four sea lions in the last month as part of a program to protect salmon runs and steelhead trout that are at risk of going extinct.
Ecology
Jan 12, 2019
0
19
Drones are becoming ubiquitous—they help bridge inspectors examine otherwise inaccessible spaces, monitor crop health for farmers, and assist search and rescue teams. They are also a boon to bad guys, from drug runners ...
Engineering
Nov 6, 2018
0
11
