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C&EN15 小时
Protein sequences decoded from extremely old mammal teeth
Researchers have sequenced proteins from an ancient rhino relative from the cold, dry Haughton crater site (shown) in the ...
The New York Times2 天
Why We Love Crest 3D Whitestrips | Reviews by Wirecutter
My teeth are daily-coffee stained and can’t-bite-a-popsicle sensitive. The Crest 3D Whitestrips 1-Hour Express box has 10 treatments; the company advertises that it brightens teeth up to 12 ...
In a first, enamel proteins 18-20 million years old from tropical, High Arctic sites ...
One study is of enamel proteins from extinct mammal fossils from the Turkana Basin in Kenya, and the other study is of enamel proteins from extinct mammals in the Haughton impact crater site located ...
Fossil teeth yield 18-million-year-old proteins, offering new clues to mammal evolution
Proteins degrade over time, making their history hard to study. But new research has uncovered ancient proteins in the enamel ...
Ancient proteins found in fossils up to 24 million years old
Scientists in recent years have made progress in finding ancient DNA in fossils, gaining insight into organisms that lived ...
AZ Animals on MSN5 天
Exploring the Size and Power of Saltwater Crocodiles: Nature’s Apex Predators
Crocodilians are often called living fossils, with their lineage dating back about 95 million years. They are members of the ...
Earth.com6 天
Archaeologists find 140,000-year-old human and animal remains at the bottom of the ocean
A submerged river valley under the Madura Strait was found packed with Homo erectus fossils and other bones submerged since ...