Sled dogs are much older and have adapted to Arctic conditions much earlier than previously thought. Researchers show that ancestors of modern sled dogs have worked and lived with humans …read more Source:: Science
Tag: modern
Did mosasaurs do the breast stroke?
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•Mosasaurs were true sea monsters of late Cretaceous seas. These marine lizards — related to modern snakes and monitor lizards — grew as long as fifty feet, flashed two rows …read more Source:: Science
Jurassic fossil shows how early mammals could swallow like their modern descendants
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•The 165-million-year-old fossil of Microdocodon gracilis, a tiny, shrew-like animal, shows the earliest example of modern hyoid bones in mammal evolution. …read more Source:: Science
How multi-celled animals developed
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•New findings challenge the long-standing idea that multi-celled animals evolved from a single-celled ancestor resembling a modern sponge cell known as a choanocyte. …read more Source:: Science
Earliest evidence of the cooking and eating of starch
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•New discoveries made at the Klasies River Cave in South Africa’s southern Cape, where charred food remains from hearths were found, provide the first archaeological evidence that anatomically modern humans …read more Source:: Science
Astronomers discover 2,000-year-old remnant of a nova
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•Researchers have discovered the remains of a nova in a galactic globular cluster, located near the center of Messier 22. The finding, using modern instruments, confirms one of the oldest …read more Source:: Science
How predatory plankton created modern ecosystems after ‘Snowball Earth’
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•Around 635 to 720 million years ago, Earth was twice almost completely covered by ice. The question of how life survived these ‘Snowball Earth’ glaciations has puzzled scientists for many …read more Source:: Science
Dinosaurs put all colored birds’ eggs in one basket, evolutionarily speaking
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•A new study says the colors found in modern birds’ eggs did not evolve independently, as previously thought, but evolved instead from dinosaurs. …read more Source:: Science
Clues from a Somalian cavefish about modern mammals’ dark past
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•After millions of years living in darkness, a species of blind cavefish has lost an ancient system of DNA repair. That DNA repair system, found in organisms including bacteria, fungi, …read more Source:: Science
Why do people share? It’s contagious, six-year study of Hadza people shows
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•In the modern world, people cooperate with other people including strangers all the time. We give blood, tip providers of various services, and donate to charity even though there is …read more Source:: Science