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Tag Archives: humans

Dodos killed by fatal combination of humans and MEGADROUGHT

Dodos, giant tortoises and other ancient Malagasy beasts were wiped out 1000 years ago by the deadly combination of human activity and a MEGADROUGHT The researchers examined 8,000 years of climate data from rock and soil samples They found evidence of repeated megadroughts on the islands during this period Megafauna appeared to have survived previous episodes of extended drought The …

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Monkey study suggests that, like humans, they may have “self-domesticated”

Asif Ghazanfar, professor of neuroscience and psychology at Princeton University, led a team of scientists who found that changing an infant monkey’s voice development also changed a physical marker of domesticity: a patch of white fur on its forehead. Photo credit: Rebecca Terrett and Lauren Kelly, Ghazanfar Lab, Princeton University It is no accident that dogs are cuter than wolves, …

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Researchers find evidence of “microevolution” in humans

Most people learn about the phenomena of evolution in their middle and high school science classes, but researchers have recently discovered evidence of “microevolution” with noticeable differences between generations of people. According to the September Journal of Anatomy, more babies are being born via Sky News with no wisdom teeth, an extra artery in their arm or smaller jaws, and …

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What is the first species that humans threatened with extinction?

Sometime in the late 17th century, in the lush forests of Mauritius, the very last dodo took its last breath. After centuries of carefree ferrets in the tropical undergrowth, this species found its premature end due to humans who arrived on the island less than 100 years ago. With a penchant for hunting, habitat destruction, and the release of invasive …

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Studies show that far UVC light can kill coronaviruses without harming humans

Ultraviolet light can kill microscopic creatures like bacteria and viruses by breaking the molecular bonds in their genetic material. UV light also damages human DNA, causes eye and skin damage and increases our risk of cancer. It turns out, however, that there is a loophole: a specific wavelength of UV light that is safe for humans but can kill coronaviruses …

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Massive volcanism sent large waves of carbon into the oceans for thousands of years – far outstripped by humans

A living foraminifera, a type of marine plankton that researchers have grown in laboratory culture. In order to reconstruct the past climate, fossilized specimens are collected from deep-sea sediments. Photo credits: Bärbel Hönisch / Lamont-Doherty Earth Observatory The analogue closest to modern times is no longer very close, according to the results of the study. A new ancient study, believed …

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Humans are destroying wildlife at an “unprecedented” rate, according to the World Wildlife Foundation report

A new report from the World Wildlife Foundation (WWF) shows that the population size of “mammals, birds, amphibians, reptiles and fish” has declined by 68 percent since 1970, an “unprecedented” rate of destruction of the earth’s diverse biodiversity. “Biodiversity is fundamental to human life on earth, and the evidence is clear – we are destroying it at a rate unprecedented …

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According to Musk, Neuralink implants are nearly ready for testing in humans

Enlarge /. Elon Musk shows off the latest version of his company’s implants. On Friday, Elon Musk gave an update on what is probably his third largest company: Neuralink. Neuralink had been fairly unremarkable prior to that time last year (especially when compared to Tesla and SpaceX) when Musk first detailed the company’s goals and progress. And the goals were …

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DNA from an unknown ancestor found in modern humans

Around the world, home builders are vigilantly reading tea leaves in the mist, trying to figure out how to survive (and even thrive) an unfolding economic disaster. And we mourn the fallen and work to ensure that our loved ones are healthy and safe. COVID-19 has drawn a political dividing line across much of the world. It reminds me of …

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