Human Ancestors May Have Bucked an Evolutionary Trend

Posted on Categories Discover Magazine

In evolution, competition is thought to be a zero-sum game. One species adapts and survives. Another doesn’t and dies off. A new study in Nature Ecology & Evolution posits that human ancestors might be an exception.Conventional wisdom in evolutionary theory has held that climate has driven the rise and fall of various hominin species. In most vertebrates, interspecies competition also plays an important role. That role has been discounted in human ancestors, according to the study.“We ha ...read more

Species of Ichthyosaur Is Largest Known Marine Reptile at 80 Feet Long

Posted on Categories Discover Magazine

A father and daughter, searching for fossils on an English beach, found more than they expected: the jawbone of what may be the largest known marine reptile. Scientists estimate that the giant ichthyosaur, from which the jawbone came, measured 80 feet long and lived during the late Triassic period. A report in the journal PLOS details the find. When Justin Reynolds and Ruby Reynolds (then 11) were combing the beach at Somerset in 2020 and came upon a giant bone chunk, they knew they were on to s ...read more

Underground Lava Tubes Were Desert Pit Stops for Humans 7,000 Years Ago

Posted on Categories Discover Magazine

Taking the tube in modern London means using the subway system for transportation. Going down the tube in Holocene-Era Saudi Arabia probably referred to employing underground tunnels for temporary shelter. A new study in the journal PLoS One paints a picture of how human herders lived over the past 7,000 years in a sometimes harsh desert environment. That lifestyle has remained relatively unknown due to poor preservation of organic remains in the region’s arid conditions, until the recent stud ...read more

The Idea That Sharks Fear Dolphins May Just Be an Old Sailor’s Myth

Posted on Categories Discover Magazine

If you picture a showdown between the chirpy dolphin and the toothy shark, you might imagine a pod ramming into the ocean’s iconic predator enough times to eventually kill it. To see such a predator done in by the animals we perceive as the underdogs certainly makes for a compelling role reversal.“You’ve got these amazingly intelligent, incredible dolphin predators, in social groups with complex social lives, and then the iconic shark,” says Michael Heithaus, a professor in the Departmen ...read more

Collagen Supplements Have Numerous Benefits, Here’s What to Know

Posted on Categories Discover Magazine

Recently, collagen supplements have surged in popularity, touted for their wide-ranging health benefits. From improving the appearance of skin and nails to supporting heart and joint health, collagen is often presented as a wonder supplement. But what does science say? Here are the types of collagen and the various areas where collagen is believed to have a positive impact.What Is Collagen?Collagen is the most predominant protein in the human body. It consists of three polypeptide chains. Collag ...read more

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