(Phys.org)—A French based research team has found DNA evidence in sweet potato samples that suggests that early Polynesian explorers visited South America. Those early explorers, the researchers write in their paper published ...
An episode of major depression can be crippling, impairing the ability to sleep, work, or eat. In severe cases, the mood disorder can lead to suicide. But the drugs available to treat depression, which can affect one in six ...
Biochemistry
Jul 28, 2016
0
716
Death Valley National Park contains many mysteries, including one of nature's strangest phenomena: Rocks that seem to move around all on their own.
General Physics
Feb 17, 2011
6
0
Fire ants build living rafts to survive floods and rainy seasons. Georgia Tech scientists are studying if a fire ant colony's ability to respond to changes in their environment during a flood is an instinctual behavior and ...
General Physics
Nov 26, 2019
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230
Biologists on the Florida campus of The Scripps Research Institute (TSRI) have discovered a new mechanism that likely underlies how we feel force or touch. Their study suggests that "rafts" of fatty lipids on the cell surface ...
Biochemistry
Jan 5, 2017
0
373
A team of researchers at the University of Colorado has found that fire ants can create 'appendages' on the rafts they make out of their own bodies when they find themselves in water. In their paper published in the Journal ...
(PhysOrg.com) -- It's "Waterworld" snail style: Ocean-dwelling snails that spend most of their lives floating upside down, attached to rafts of mucus bubbles.
Plants & Animals
Oct 10, 2011
4
0
Three years ago, Georgia Institute of Technology researchers took a close look at how fire ants work together to build waterproof rafts to stay alive. By looking at the edges and tops of rafts, the team discovered that ants ...
Plants & Animals
Jun 11, 2014
2
0
What do Jell-O, toothpaste, and floating fire-ant rafts have in common? All are so-called "viscoelastic" materials, meaning that they can both resist flow under stress, like honey, and they can bounce back to their original ...
General Physics
Nov 26, 2013
0
0
The presence of pink pumice in the giant pumice raft of the 2012 Havre eruption that drifted across the southwest Pacific Ocean has led researchers to recognize the immense power of underwater volcanic eruptions.
Earth Sciences
Feb 8, 2022
1
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