Jacek Krywko - Page 1

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Tiny, long-armed dinosaur leads to rethink of dinosaur miniaturization

The real surprise, though, came when researchers realized that Alnashetri wasn’t a highly specialized, late-stage Alvarezsauroid. Instead, despite living in the Late Cretaceous, it occupied...

A unicorn-like Spinosaurus found in the Sahara

But there was one thing that made S. mirabilis different from S. aegyptiacus. The word “mirabilis” in the newly discovered Spinosaurus’ name translates to “astonishing”...

The evolution of expendability: Why some ants traded armor for numbers

“Ants reduce per-worker investment in one of the most nutritionally expensive tissues for the good of the collective,” Matte explains. “They’re shifting from self-investment toward...

Scientists built an AI co-pilot for prosthetic bionic hands

To test their AI-powered hand, the team asked intact and amputee participants to manipulate fragile objects: pick up a paper cup and drink from it,...

The evolution of rationality: How chimps process conflicting evidence

In the first step, the chimps got the auditory evidence, the same rattling sound coming from the first container. Then, they received indirect visual evidence:...

Wyoming dinosaur mummies give us a new view of duck-billed species

As a result, the Edmontosaurus image got updated one more time. And some of the updates were rather striking. Delicate elephants Sereno’s team analyzed the...

An inner-speech decoder reveals some mental privacy issues

But it struggled with more complex phrases. Pushing the frontier Once the mental privacy safeguard was in place, the team started testing their inner speech...

New adhesive surface modeled on a remora works underwater

What impressed the scientists the most, though, was the versatility of those disks. Reef-associated species of remora like Phtheirichthys lineatus are generalists and stick to...

For giant carnivorous dinosaurs, big size didn’t mean a big bite

“And then you have the Spinosaurus which was kind of weird in general,” Rowe says.  “There was a study by Dave Hone and Tom Holtz...

A new Martian climate model suggest a mostly cold, harsh environment

“Very early in Mars' history, maybe 4 billion years ago, the planet was warm enough to support lakes and river networks,” Kite told Ars. “There...

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