Our species, Homo sapiens, migrated out of Africa multiple times—reaching the Levant and Arabia between 130,000 and 70,000 years ago, as exemplified by human fossils and archaeological sites found at various locations.
Archaeology
Oct 5, 2023
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20
With the blockbuster success of the "Barbie" movie and the related expansion of Barbie branding and merchandising, educators and parents may find themselves wondering about Barbie's original purpose: as a child's toy.
Social Sciences
Oct 5, 2023
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16
For more than six months a year, Quebec's boreal forest is covered in a thick blanket of snow. While this is essential for the balance of our ecosystems, for the people living downstream from forested watersheds the snow ...
Earth Sciences
Oct 5, 2023
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1
RUDN University chemists and colleagues from Belarus obtained derivatives of the natural polymer chitosan, which exceeded existing antibiotics in antibacterial activity. Moreover, the new substances are non-toxic, and the ...
Biochemistry
Oct 5, 2023
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55
Researchers from Skoltech, Pustovoit All-Russian Research Institute of Oil Crops, OilGene—a startup launched in Skoltech—and other organizations have found new markers that will accelerate the breeding of high oleic sunflowers ...
Molecular & Computational biology
Oct 5, 2023
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1
Japanese scientist Kikunae Ikeda first proposed umami as a basic taste—in addition to sweet, sour, salty and bitter—in the early 1900s. About eight decades later, the scientific community officially agreed with him.
Cell & Microbiology
Oct 5, 2023
1
393
Analysis of Riversleigh fossils has revealed fascinating new facts about a tiny possum's ancestors. Scientists have long known that the miniature feather-tailed possums in Australia and the island of New Guinea—members ...
Evolution
Oct 5, 2023
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130
As we began to discover hundreds, then thousands of exoplanets, we found that there were two types of worlds unlike anything in our solar system. The first are super-Earths. These worlds straddle the line between large rocky ...
Planetary Sciences
Oct 5, 2023
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5
Farmers are used to growing crops and producing other goods, but a new study led by Penn State researchers suggests the social media platform TikTok may help them cultivate something new: empathy around the issue of climate ...
Other
Oct 5, 2023
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1
Tinkerer though he is, Peter Dahlberg did not spend the last few years tearing apart a $1.5 million microscope just for fun.
Biotechnology
Oct 5, 2023
0
1
