T. rex’s tiny arms may have evolved for a surprisingly brutal reason
Why did T. rex have such tiny arms? Scientists now think it’s because its giant head became the ultimate hunting tool. Across multiple dinosaur groups, stronger skulls and crushing jaws evolved alongside shrinking forelimbs, especially in predators hunting enormous prey. In other words, once the bite became deadly enough, the arms may have stopped mattering.
The science section covers breakthroughs in medicine, physics, biology, and technology. We surface discoveries that expand what humanity can do, from new treatments reaching clinical trials to engineering feats that seemed impossible a decade ago. Every link goes to the original publisher so you can read the full study or press release yourself.
BY THE OPTIMIST DAILY EDITORIAL TEAM Picture two parents, both devoted. Both called every Sunday. Both showed up for bir…
BY THE OPTIMIST DAILY EDITORIAL TEAM For decades, high clinical risk and chemotherapy arrived together as a package deal…
Earth Observatory Science International Space Station (ISS) San Francisco’s Metropolitan… Earth Earth Observatory Image …
Researchers tested soccer balls aboard the International Space Station to study how internal mass affects motion and sta…