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Animals

This newfound hermit crab finds shelter in corals, not shells

A newly discovered hermit crab takes its cue from peanut worms and uses walking corals as a permanent shelter.

Health & Medicine

By ganging up, HIV antibodies may defeat the virus

A duo or trio of powerful antibodies was effective at stopping an HIV-like infection in lab monkeys, two studies find.

Genetics

In a first, human embryos edited to explore gene function

In groundbreaking research, CRISPR/Cas9 used to study human development for the first time.

Astronomy

Readers ponder mini-spacecraft and Canaanites’ genomes

Readers have questions about miniature spacecraft project and Canaanite genealogy.