rethink

Burned by layoffs, tech workers rethink risk

Burned by layoffs, tech workers rethink risk

Tech isn’t as collegial As it was. Rockets are exposed as pulverized messes, mission-driven startups don’t feel as mission-driven when responding to investor pressure, and widespread layoffs are a stark reminder that jobs are breakable contracts, not sacrosanct vows. Over the past few months, thousands of employees at Meta, Twitter, Stripe, Amazon, DoorDash, and countless …

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New kilonova causes astronomers to rethink what we know about gamma-ray bursts

New kilonova causes astronomers to rethink what we know about gamma-ray bursts

Enlarge / Artist’s impression of GRB 211211A. The kilonova and gamma burst is on the right. Aaron M. Geller/Northwestern/CIERA A year ago, astronomers discovered a powerful gamma-ray burst (GRB) lasting nearly two minutes, dubbed GRB 211211A. Now, this unusual event upends the long-held assumption that longer GRBs are the distinctive signature of a massive stellar …

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Abstract Physics Light Waves Evolution

Shocking 439-million-year-old ‘shark’ is forcing scientists to rethink evolutionary timeline

These findings provide hard evidence of the massive diversification of vertebrate groups tens of millions of years before the onset of what is known as the “Age of Pisces”, around 420 million years ago. The ancient shark was found in China and is the oldest jawed ancestor of man. Top predators in the ocean are …

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