Water spiders spend their entire lives under water, only venturing to the surface to replenish their diving bell air supply. Yet no one knew how long the spiders could remain submerged until Roger Seymour and Stefan Hetz ...
Plants & Animals
Jun 9, 2011
0
0
When water vapor meets metal, the resulting corrosion can lead to mechanical problems that harm a machine's performance. Through a process called passivation, it also can form a thin inert layer that acts as a barrier against ...
Nanomaterials
Dec 11, 2023
0
259
As countries such as Pakistan, Bangladesh, Vietnam and parts of the United States and United Kingdom have fallen victim to catastrophic flooding in recent years, tolerance of crops to partial or complete submergence is a ...
Biotechnology
Oct 23, 2011
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0
Tiny meteorites no larger than grains of sand hold new clues about the atmosphere on ancient Earth, according to scientists.
Earth Sciences
Jan 30, 2020
2
794
Chocolate isn't usually on the diet for snails, but when Lee Fruson and Ken Lukowiak from the University of Calgary, became curious about the effects of diet on memory, they decided to try a flavonoid from chocolate, epicatechin ...
Plants & Animals
Sep 27, 2012
5
0
Iron is an essential nutrient that almost all life requires to grow and thrive. Iron's importance goes all the way back to the formation of the planet Earth, where the amount of iron in the Earth's rocky mantle was 'set' ...
Astrobiology
Dec 6, 2021
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1131
The worst mass extinction the Earth has ever seen occurred 252 million years ago. The boundary of the Permian and Triassic geological periods marked the demise of around 90 percent of marine species and 70 percent of land ...
Earth Sciences
Aug 15, 2014
5
1
The supply of dissolved iron to oceans around continental shelves has been found to be more variable by region than previously believed – with implications for future climate prediction.
Earth Sciences
Jul 19, 2013
22
0
When did the Earth reach oxygen levels sufficient to support animal life? Researchers from McGill University have discovered that a rise in oxygen levels occurred in step with the evolution and expansion of complex, eukaryotic ...
Earth Sciences
Jan 31, 2022
0
116
The 2019 Nobel Prize in Physics will be awarded Tuesday, a day after two Americans and one British scientist were given the award for Physiology or Medicine.
General Physics
Oct 8, 2019
0
368
