Earth was stressed before dinosaur extinction
New evidence gleaned from Antarctic seashells confirms that Earth was already unstable before the asteroid impact that wiped out the dinosaurs.
New evidence gleaned from Antarctic seashells confirms that Earth was already unstable before the asteroid impact that wiped out the dinosaurs.
Earth Sciences
Dec 11, 2019
16
5065
Computational fluid dynamics can be used to study how extinct animals used to swim. Scientists studied 65 million-year-old cephalopod fossils to gain deeper understanding of modern-day cephalopod ecosystems.
General Physics
Nov 25, 2019
1
338
Foodie tradition dictates only eating wild oysters in months with the letter "r"—from September to April—to avoid watery shellfish, or worse, a nasty bout of food poisoning. Now, a new study suggests people have been ...
Ecology
Nov 20, 2019
6
1600
An enzyme that makes the male sex hormones has unravelled a fresh clue about how snail shells come to be curly.
Plants & Animals
Nov 20, 2019
0
46
Hyoliths are extinct invertebrates with calcareous shells that were common constituents of Cambrian fauna and formed a minor component of benthic faunas throughout the Palaeozoic until their demise in the end-Permian mass ...
Archaeology
Nov 18, 2019
0
8
Cape Lookout National Seashore on the Outer Banks is seeing large seashells tumbling ashore, due to strong seasonal wave action off the North Carolina coast.
Ecology
Nov 5, 2019
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4256
Nanocapsules and other containers can transport drugs through a patient's body directly to the origin of the disease and release them there in a controlled manner. Such sophisticated systems are occasionally used in cancer ...
Nanomaterials
Oct 30, 2019
0
5
Nature's most common swimmers are single-celled organisms such as microalgae that swim toward light sources, and sperm cells that swim toward an ovum. For a physicist, cells are simply biochemical machines, which must obey ...
General Physics
Oct 29, 2019
0
32
Many natural microscopic objects—red blood cells and pollen grains, for example—take the form of distorted spheres. The distortions can be compared to those observed when a sphere is 'deflated' so that it steadily loses ...
General Physics
Oct 25, 2019
0
5
An international collaboration led by scientists from the University of Hong Kong, RIKEN (Japan), and CEA (France) have used the RI Beam Factory (RIBF) at the RIKEN Nishina Center for Accelerator-base Science to show that ...
General Physics
Oct 25, 2019
1
592