Wednesday Science News Roundup #24

Below are 10 science news that I found interesting and are related to topics I care about.

Your brain reveals who your friends are – You may perceive the world the way your friends do, according to a new study finding that friends have similar neural responses to real-world stimuli and these similarities can be used to predict who your friends are. Science Daily

TBI is associated with increased dementia risk for decades after injury – Traumatic brain injuries increase the risk of a dementia diagnosis for more than 30 years after a trauma, though the risk of dementia decreases over time, according to a new study. Science Daily

Language is learned in brain circuits that predate humans – It has often been claimed that humans learn language using brain components that are specifically dedicated to this purpose. Now, new evidence strongly suggests that language is in fact learned in brain systems that are also used for many other purposes and even pre-existed humans. Science Daily

Life may have been possible in Earth’s earliest, most hellish eon – Maybe Earth’s early years weren’t so hellish after all. Science News

Here’s why so many saiga antelope mysteriously died in 2015 – Spring calving season for the saiga antelope of central Kazakhstan is a delight for the researchers who keep tabs on the critically endangered animals. During the day, thousands of newborn saigas lie quiet, hidden within a sea of waving grass. Mothers return twice daily to feed them. “If you come at dawn and dusk, it’s magical,” says E.J. Milner-Gulland, a conservation biologist at the University of Oxford who has studied saigas for 27 years. “You hear this mewing noise, and all the babies come rushing up to the females.” Science News

There’s a Scary Link Between Bad Sleep And The Onset of Alzheimer’s – Fragmented sleep, marked by repeated wake-ups during the night and a need to nap during the day, could be an early sign of Alzheimer’s disease, according to new research. Science Alert

Earth Went Strangely Quiet About 2 Billion Years Ago And We Don’t Know Why – A new study has added evidence to the hypothesis that our planet experienced a lull in geology between 2.2 and 2.3 billion years ago, when not a lot went on as far as rock-forming processes go. Science Alert

The Eastern Cougar Is Declared Extinct After Not Being Seen For 80 Years – The eastern cougar is now officially extinct. IFLScience

Discoverer Of Gabon’s Strange Orange Crocodiles Thinks They’re Evolving Into A New Species – Just 10 years ago, an expedition of biologists came across a very strange group of cave-dwelling, bat-munching dwarf crocodiles living within Gabon’s Abanda cave system. IFLScience

More Evidence Has Been Found For A Link Between Sugar And Alzheimer’s – A new study provides more evidence for a link between diabetes and Alzheimer’s, something that’s been hinted at before. IFLScience

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