A giant meteorite boiled the oceans 3.2 billion years ago. Scientists say it was a ‘fertilizer bomb’ for life
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A massive space rock, estimated to be the size of four Mount Everests, slammed into Earth more than 3 billion years ago — and the impact could have been unexpectedly beneficial for the earliest forms of life on our planet, according to new research.
Typically, when a large space rock crashes into Earth, the impacts are associated with catastrophic devastation, as in the case of the demise of the dinosaurs 66 million years ago, when a roughly 6.2-mile-wide (10-kilometer) asteroid crashed off the coast of the Yucatan Peninsula in what’s now Mexico.
But Earth was young and a very different place when the S2 meteorite, estimated to have 50 to 200 times more mass than the dinosaur extinction-triggering Chicxulub asteroid, collided with the planet 3.26 billion years ago, according to Nadja Drabon, assistant professor of Earth and planetary sciences at Harvard University. She is also lead author of a new study describing the S2 impact and what followed in its aftermath that published Monday in the journal Proceedings of the National Academy of Sciences.
“No complex life had formed yet, and only single-celled life was present in the form of bacteria and archaea,” Drabon wrote in an email. “The oceans likely contained some life, but not as much as today in part due to a lack of nutrients. Some people even describe the Archean oceans as ‘biological deserts.’ The Archean Earth was a water world with few islands sticking out. It would have been a curious sight, as the oceans were probably green in color from iron-rich deep waters.”
When the S2 meteorite hit, global chaos ensued — but the impact also stirred up ingredients that might have enriched bacterial life, Drabon said. The new findings could change the way scientists understand how Earth and its fledgling life responded to bombardment from space rocks not long after the planet formed.
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A giant meteorite boiled the oceans 3.2 billion years ago. Scientists say it was a ‘fertilizer bomb’ for life
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A massive space rock, estimated to be the size of four Mount Everests, slammed into Earth more than 3 billion years ago — and the impact could have been unexpectedly beneficial for the earliest forms of life on our planet, according to new research.
Typically, when a large space rock crashes into Earth, the impacts are associated with catastrophic devastation, as in the case of the demise of the dinosaurs 66 million years ago, when a roughly 6.2-mile-wide (10-kilometer) asteroid crashed off the coast of the Yucatan Peninsula in what’s now Mexico.
But Earth was young and a very different place when the S2 meteorite, estimated to have 50 to 200 times more mass than the dinosaur extinction-triggering Chicxulub asteroid, collided with the planet 3.26 billion years ago, according to Nadja Drabon, assistant professor of Earth and planetary sciences at Harvard University. She is also lead author of a new study describing the S2 impact and what followed in its aftermath that published Monday in the journal Proceedings of the National Academy of Sciences.
“No complex life had formed yet, and only single-celled life was present in the form of bacteria and archaea,” Drabon wrote in an email. “The oceans likely contained some life, but not as much as today in part due to a lack of nutrients. Some people even describe the Archean oceans as ‘biological deserts.’ The Archean Earth was a water world with few islands sticking out. It would have been a curious sight, as the oceans were probably green in color from iron-rich deep waters.”
When the S2 meteorite hit, global chaos ensued — but the impact also stirred up ingredients that might have enriched bacterial life, Drabon said. The new findings could change the way scientists understand how Earth and its fledgling life responded to bombardment from space rocks not long after the planet formed.
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During the day, Yemeni coffeehouses function similar to many neighborhood spots. Patrons host meetings, college students study and others pop in for a quick cup to-go.
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But at night, they serve as de-facto living rooms, especially for young Muslims who don’t go to clubs and bar. From New York to Dallas, especially during the late nights of Ramadan, the crowd overflows into the street and you often have to yell to be heard inside. Some young Muslims even venture to the coffee shops in hopes of finding a life partner.
Nowhere is this coffeehouse culture more pronounced, and celebrated, than in Dearborn, Michigan, a suburb of Detroit and home to one of the largest Arab American communities in the United States.
Downtown Dearborn is peppered with different Yemeni coffee houses, which Howell said helped revitalize the Detroit area after the city became the largest municipality go to bankrupt in 2013. And it’s only growing.
“It’s become sort of contagious,” Howell said. “Several Yemeni entrepreneurs are opening coffee houses of their own, each with its own sort of style and atmosphere.”
The coffee chains have big ambitions beyond Dearborn. Qahwah House hopes to open another 20 to 30 locations in the next year, spanning across 12 states and Canada, Alhasbani said. They are also licensed out, but Alhasbani says he sets a high standard before agreeing to let anyone open a shop.
“We have too many people that come (asking me) they want to open. I have more than 10 different requests a day just to open this kind of business,” he said. “We don’t give anyone license until we make sure the person has the love for the brand and his mind and his heart in the Qahwah House.”
Another authentic Yemeni coffee chain, Haraz, also sees crowds of people throughout the day and night. They opened their first location in New York City last week — less than half a mile away from Qahwah House’s downtown Manhattan shop — and the franchisees plan to grow.
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