Tiny 1,900 million-year-old fossils from rocks around Lake Superior, Canada, give the first ever snapshot of organisms eating each other and suggest what the ancient Earth would have smelled like.
Earth Sciences
Apr 29, 2013
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A huge asteroid that wiped out the dinosaurs may not have been the only cosmic event to cause mass extinctions or change Earth's climate. Tiny minerals leftover from many smaller meteorites could provide the geological evidence ...
Space Exploration
Sep 12, 2013
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(PhysOrg.com) -- A researcher from the University of Leicester has identified what looks to be the oldest archaeological evidence for chemical warfare--from Roman times.
Archaeology
Jan 14, 2009
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More than 251 million years ago, at the end of the Permian period, Earth almost became a lifeless planet. Around 90 percent of all living species disappeared then, in what scientists have called "The Great Dying."
Earth Sciences
Oct 28, 2010
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1
Long before plants and animals inhabited the earth, when life consisted of single-celled organisms afloat in a planet-wide sea, bacteria invaded these organisms and took up permanent residence. One bacterium eventually became ...
Cell & Microbiology
Jun 19, 2013
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Plastic pollution is a menace worldwide. Plastics are now found in every environment on the planet, from the deepest seas to the atmosphere and human bodies.
Environment
Jan 17, 2024
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In 1900—some 22 years before he discovered the tomb of Tutankhamen—British archaeologist Howard Carter opened another tomb in the Valley of the Kings. In tomb KV42, Carter found the remains of a noblewoman called Senetnay, ...
Archaeology
Sep 2, 2023
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28
(PhysOrg.com) -- Scientists have gained new insight into the makeup of ancient meteorites called Carbonaceous Chondrites, in research published in the October edition of the journal Earth Science and Planetary Letters.
Astronomy
Nov 12, 2009
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Archaeologists have analyzed chemical residues from ceramic vases at the city of Cotzumalhuapa, Guatemala, revealing physical evidence of tobacco use in Mesoamerica, likely for ritual and therapeutic purposes.
Archaeology
Mar 5, 2024
2
135
Next time you watch a TV program that cracks a crime using DNA evidence, tip your hat to the microbe that makes it all possible.
Biochemistry
Nov 2, 2011
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