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Math

This intricate maze connects the dots on quasicrystal surfaces

The winding loop touches every point without crossing itself and could help make a unique class of atomic structures more efficient catalysts, scientists say.

Animals

Komodo dragon teeth get their strength from an iron coat

Studying the reptile’s ironclad teeth in more detail could help solve a dinosaur dental mystery.

Health & Medicine

A new algae-based menstrual pad could stop leaks

By turning period blood into a gel, the pad’s alginate powder filler reduces leakage.

Space

Moonquakes are much more common than thought, Apollo data suggest

The discovery of 22,000 previously unseen moonquakes, plus a new idea of what causes them, could help us better prepare for trips there.