[ad_1] When you smell something, scent molecules Sail inside your nose, where they attach to proteins called olfactory receptors in the cells lining your nasal cavity. These receptors trigger signalsRead More
Tag: Ancient
Dissolving Toxic Oceans: How An Ancient Extinction Happened
[ad_1] About 200 million years ago, the rocks that became the Palisades cliffs just across the Hudson River from Manhattan were formed during volcanic activity that helped break up theRead More
Frightening Mercury Levels Found in Ancient Growth Amazon Jungle
[ad_1] The protected old-growth forest in the Amazon in southeastern Peru looks pristine: Ancient trees with massive trunks grow alongside young, slender trees, creating such a thick canopy that itRead More
Small Size Has An Ancient Pedigree In The Dog’s DNA
[ad_1] A canine genomics expert at the National Institutes of Health, Dr. According to Ostrander, there isn’t a single gene that determines dog size. There are about 25 of them.Read More
This Ancient Crab Had Unusually Large Eyes
[ad_1] To understand how Callichimaera used her eyes, Ms. Jenkins and Dr. Luque used the abundance of available Callichimaera specimens to construct a growth sequence. They compared this to 14Read More
Why Was This Ancient Tusk 150 Miles From Land, 3,000 Feet Deep?
[ad_1] Scientists know that about 200,000 years ago, the Earth experienced a glacial period and our ancestors migrated from africa. But they don’t know exactly how the planet’s changing climateRead More
Ancient DNA Researchers Set Ethics For Their Work
[ad_1] According to Kendra Sirak, a paleogeneticist at Harvard Medical School and one of the authors, the authors of the new paper deliberately chose to invite only active practitioners ofRead More
Conviction at an Ancient Playground for Kingpins Could Save Africa
[ad_1] “For Malawi, this shows that it is not a sacred cow,” said Mr. Kaonga. “Money can’t save you, and there is a limit to what corruption can really bringRead More
Ancient Footprints Show Humans Arrived in the Americas During the Ice Age
[ad_1] The ancient human footprints preserved at the site across from New Mexico’s White Sands National Park are surprisingly old. scientists have reported On Thursday, it dates back to theRead More
‘Spaceship Shaped’ Fossil Reveals Ancient Ocean’s Hungry Predator
[ad_1] About 506 million years ago, a predator swept the silt floors of the Cambrian ocean. Rakelike feed arms sifted through the mud it had raised and guided the soft-bodiedRead More