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Ronaldevots

23 Oct 2024 - 11:46 am

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.

Victorunise

23 Oct 2024 - 10:49 am

You can now order your Spirit Halloween costume on Uber Eats
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Uber is cashing in on spooky season.

The ridehailing company will now deliver costumes, makeup, and even decorations from Spirit Halloween, the largest Halloween retailer in North America, Uber announced in a press release Friday.

Big-box retailers are getting into Halloween earlier and earlier, suggesting American consumers continue spending on the October holiday even as they pull back from other discretionary purchases.

Customers in the US and Canada can buy their Chipotle burrito costume for the same price as in store, but without having to visit the seasonal Halloween store that pops up in abandoned storefronts every year, Uber said. Of course, there will still be the fees associated with Uber Eats delivery.

Spirit Halloween has 1,525 locations.

“The holiday season officially kicks off this time of year, and households across the country are looking to on-demand delivery to get what’s needed—now,” said Beryl Sanders, director of US grocery and retail partnerships at Uber, in a statement.

Since the pandemic, different types of retailers have partnered with Uber to deliver their goods – such as Olive Garden for its breadsticks and pasta. Uber Eats has also partnered with Big Lots, Lowe’s, Michael’s and Party City for on-demand delivery.

Uber and its competitors have also experimented with robot deliveries, though those have not fully taken off in the US market.

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23 Oct 2024 - 10:44 am

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23 Oct 2024 - 08:48 am

You can now order your Spirit Halloween costume on Uber Eats
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Uber is cashing in on spooky season.

The ridehailing company will now deliver costumes, makeup, and even decorations from Spirit Halloween, the largest Halloween retailer in North America, Uber announced in a press release Friday.

Big-box retailers are getting into Halloween earlier and earlier, suggesting American consumers continue spending on the October holiday even as they pull back from other discretionary purchases.

Customers in the US and Canada can buy their Chipotle burrito costume for the same price as in store, but without having to visit the seasonal Halloween store that pops up in abandoned storefronts every year, Uber said. Of course, there will still be the fees associated with Uber Eats delivery.

Spirit Halloween has 1,525 locations.

“The holiday season officially kicks off this time of year, and households across the country are looking to on-demand delivery to get what’s needed—now,” said Beryl Sanders, director of US grocery and retail partnerships at Uber, in a statement.

Since the pandemic, different types of retailers have partnered with Uber to deliver their goods – such as Olive Garden for its breadsticks and pasta. Uber Eats has also partnered with Big Lots, Lowe’s, Michael’s and Party City for on-demand delivery.

Uber and its competitors have also experimented with robot deliveries, though those have not fully taken off in the US market.

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23 Oct 2024 - 08:09 am

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