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Planetary Science

Odysseus’ historic moon mission comes to an end

Odysseus downloaded data from all payloads before going to sleep February 28. The cold lunar night proved fatal to efforts to reawaken the lunar lander.

Genetics

A genetic parasite may explain why humans and other apes lack tails

Around 25 million years ago, a stretch of DNA inserted itself into an ancestral ape’s genome, an event that might have taken our tails away.

Artificial Intelligence

Why large language models aren’t headed toward humanlike understanding

Unlike people, today's generative AI isn’t good at learning concepts that it can apply to new situations.