science news 2019
- Science
World’s Oldest DNA Discovered, Revealing Ancient Arctic Forest Full of Mastodons
The oldest DNA ever recovered has revealed a remarkable two-million-year-old ecosystem in Greenland, including the presence of an unlikely explorer:…
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NASA mission will study how hidden ocean swirls soak up heat of global warming
Eddies have been overlooked for too long. These turbulent swirls of water, ranging in size from a few kilometers to…
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A weird gamma ray burst doesn’t fit our understanding of the cosmos
Astronomers have spotted a strange blast of gamma radiation from space that defies categorisation, and it may mean a gap…
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Global Population Growth Is Slowing Down. Here’s One Reason Why
On November 15—as estimated by demographers—the count of humans on this planet reached eight billion. Population growth has been steady…
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6 Weird and Wild Animal Behaviors Revealed in 2022
The diverse animals that dwell on Earth have adapted to survive in their environments and interact with members of their…
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Paleontologist accused of faking data in dino-killing asteroid paper
In June 2021, paleontologist Melanie During submitted a manuscript to Nature that she suspected might create a minor scientific sensation.…
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Models predict massive wave of disease and death if China lifts ‘zero COVID’ policy
Surprised and stung by protests against draconian “zero-COVID” policies, Chinese authorities are gingerly moving to ease the burden of lockdowns,…
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Astronomers Grapple with JWST’s Discovery of Early Galaxies
In their quest to understand the first stars and galaxies that lit up the cosmos, astronomers are still in the…
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‘Chatty Turtles’ Flip the Script on the Evolutionary Origins of Vocalization in Animals
Pakinam Amer: This is Scientific American’s 60-Second Science. I’m Pakinam Amer. Clicks, clucks, grunts, and snorts—these are not sounds that…
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How the Moon Devastated a Mangrove Forest
The mystery emerged in 2015, when nearly 10 percent of the seemingly healthy mangrove forest along northern Australia’s Gulf of…
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