Evolutionary adaptations like echolocation that are shared by unrelated species arose in part due to identical, independently acquired genetic changes, according to a new Stanford study of whole genome sequences.
Plants & Animals
Oct 4, 2019
0
95
Before dawn on March 24, 1989, Dan Lawn stepped off of a small boat and onto the boarding ladder dangling from the side of the grounded Exxon Valdez oil tanker. As he made the crossover, he peered down into the water of Prince ...
Environment
Mar 27, 2019
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16
An unpredictable chain of events and an inadequate early warning system combined to deadly effect with the tsunami that slammed into coastal areas of Indonesia killing nearly 300 people, disaster officials and experts said ...
Environment
Dec 24, 2018
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9
(Phys.org)—Since the dawn of the Space Age, mission planners have tried to follow one simple but important rule: Stay out of the van Allen Belts. The two doughnut-shaped regions around Earth are filled with "killer electrons," ...
Space Exploration
Aug 31, 2012
1
0
Take a bunch of fast-moving electrons, place them in orbit and then hit them with the shock waves from a solar storm. What do you get? Killer electrons. That's the shocking recipe revealed by ESA's Cluster mission.
Space Exploration
Mar 11, 2010
9
0
A huge wave-generating quake capable of killing as many people as in the 2004 Indian Ocean tsunami could strike off the Indonesian island of Sumatra, and the city of Padang is in the firing line, a team of seismologists said ...
Earth Sciences
Jan 17, 2010
0
0
Scientists using NASA's fleet of THEMIS spacecraft have discovered how radio waves produced by electrons injected into Earth's near-space environment both generate and remove high-speed "killer" electrons.
General Physics
May 7, 2009
6
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