If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31. During the Proterozoic Eon—2.5 billion years to 543 million years ago—the sun was still a young star, ...
Earth Sciences
Nov 4, 2024
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Newborn stars are surrounded by disks of gas and dust within which planets are born, known as protoplanetary disks. In the Orion Nebula, the brightest and most massive stars emit intense ultraviolet radiation that illuminates ...
Astronomy
Oct 28, 2024
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154
Researchers have named two newly discovered freshwater snail species from Brazil after characters from "The Lord of the Rings."
Plants & Animals
Nov 11, 2024
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162
A commercialized New Age ritual is causing not only "unwanted energies" to go up in smoke, but also foreign wild plants. A study by Utrecht University researchers Isabela Pombo Geertsma and Anastasia Stefanaki, alongside ...
Plants & Animals
Oct 30, 2024
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A team of international researchers including those from the University of Adelaide have taken a well-known chemical reaction as the basis of a new generation of targeted pain relief medication.
Biochemistry
Nov 5, 2024
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122
Thin, stretchy skin—like that of a pig or human—significantly lessens the underlying damage that occurs when it's punctured. Pig skin even outperforms synthetic materials that are designed to mimic skin, a new study finds. ...
Evolution
Oct 28, 2024
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72
In the 1997 movie "Contact," adapted from Carl Sagan's 1985 novel, the lead character scientist Ellie Arroway (played by actor Jodi Foster) takes a space-alien-built wormhole ride to the star Vega. She emerges inside a snowstorm ...
Astronomy
Nov 1, 2024
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106
A new species of tarantula, Trichopelma grande, has been discovered in western Cuba by researchers David Ortiz of Masaryk University, Czechia, and Elier Fonseca of the Cuban Zoological Society, Cuba. The charismatic addition ...
Africa's Sahara Desert may be considered a vast expanse of barren sand with limited vegetation, an extreme environment for plants and animals to thrive, but life always finds a way. Indeed, vegetation growth in the desert ...
Leveraging a unique statistical analysis and applying it to ancient DNA extracted from human skeletal remains, a team of researchers from The University of Texas at Austin and the University of California, Los Angeles has ...
Evolution
Nov 19, 2024
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