Villain. Killer. Menace. Since 2020, scientists and public officials have used these words to describe SARS-CoV-2, the virus that causes COVID-19. News articles, research papers and tweets repeatedly personify the…
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3.42-billion-year-old fossil threads may be the oldest known archaea microbes
Threadlike filaments pressed in rock may be the remnants of archaea that burped methane near hydrothermal vents 3.42 billion years ago. If so, these strands in rock excavated in South…
‘The Dawn of Everything’ rewrites 40,000 years of human history
The Dawn of EverythingDavid Graeber and David WengrowFarrar, Straus and Giroux, $35 Concerns abound about what’s gone wrong in modern societies. Many scholars explain growing gaps between the haves and…
The earliest evidence of tobacco use dates to over 12,000 years ago
Ancient North Americans started using tobacco around 12,500 to 12,000 years ago, roughly 9,000 years before the oldest indications that they smoked the plant in pipes, a new study finds.…
‘Ghost tracks’ suggest people came to the Americas earlier than once thought
Footprints left behind by prehistoric people may be some of the strongest evidence yet that humans arrived in the Americas earlier than previously thought. Over 60 “ghost tracks” —…
How did we get here? The roots and impacts of the climate crisis
Even in a world increasingly battered by weather extremes, the summer 2021 heat wave in the Pacific Northwest stood out. For several days in late June, cities such as Vancouver,…
The past’s extreme ocean heat waves are now the new normal
Yesterday’s scorching ocean extremes are today’s new normal. A new analysis of surface ocean temperatures over the past 150 years reveals that in 2019, 57 percent of the ocean’s surface…
Antarctica’s Thwaites Glacier ice shelf could collapse within five years
The demise of a West Antarctic glacier poses the world’s biggest threat to raise sea levels before 2100 — and an ice shelf that’s holding it back from the sea…
The Southern Ocean is still swallowing large amounts of humans’ carbon dioxide emissions
The Southern Ocean is still busily absorbing large amounts of the carbon dioxide emitted by humans’ fossil fuel burning, a study based on airborne observations of the gas suggests. The…
Lithium mining may be putting some flamingos in Chile at risk
Flamingos may be a kind of canary in the coal mine when it comes to warning of a hidden cost of green technologies. Lithium mining appears to be a major…
