Killer cosmic rays from nearby supernovae could be the culprit behind at least one mass extinction event, researchers said, and finding certain radioactive isotopes in Earth’s rock record could confirm …read more Source:: Science
Tag: least
Vikings had smallpox and may have helped spread the world’s deadliest virus
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•Scientists have discovered extinct strains of smallpox in the teeth of Viking skeletons — proving for the first time that the killer disease plagued humanity for at least 1400 years. …read more Source:: Science
Earthquakes disrupt sperm whales’ ability to find food
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•Scientists studying sperm whales have discovered earthquakes affect their ability to find food for at least a year. The research is among the first to examine the impact of a …read more Source:: Science
Making open source JavaScript pay
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•By Matt Asay Looking at the 2019 State of JavaScript report, something stands out: Money apparently can’t buy everything. Or, at least, not every major front-end and back-end programming framework is …read more Source:: OpenSource
Hubble captures a dozen sunburst arc doppelgangers
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•Astronomers using the NASA/ESA Hubble Space Telescope have observed a galaxy in the distant regions of the Universe which appears duplicated at least 12 times on the night sky. This …read more Source:: Science
Scientists find early humans moved through Mediterranean earlier than believed
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•Scientists have unearthed new evidence in Greece proving that the island of Naxos was inhabited by Neanderthals and earlier humans at least 200,000 years ago, tens of thousands of years …read more Source:: Science
Antibiotic resistance surges in dolphins, mirroring humans
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•Scientists obtained a total of 733 pathogen isolates from 171 individual wild Bottlenose dolphins in Florida and found that the overall prevalence of resistance to at least one antibiotic for …read more Source:: Science
Electric eel produces highest voltage discharge of any known animal
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•South American rivers are home to at least three different species of electric eels, including a newly identified species capable of generating a greater electrical discharge than any other known …read more Source:: Science
How mammals’ brains evolved to distinguish odors is nothing to sniff at
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•Neuroscientists have discovered that at least six types of mammals — from mice to cats — distinguish odors in roughly the same way, using circuitry in the brain that’s evolutionarily …read more Source:: Science
Amoebae diversified at least 750 million years ago, far earlier than expected
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•Reconstitution of Amoebozoa’s evolution shows significant Precambrian species diversity. This study changes the view of how life evolved in the very remote past and deepens the understanding of current climate …read more Source:: Science