News
- Ecosystems
Famine reveals incredible shrinking iguanas
Marine iguanas in the Galápagos Islands are the first vertebrates known to reduce their size during a food shortage and then regrow to their original body lengths.
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Blood cues sex choice for parasites
Malaria parasites shift their female-biased production of offspring toward a more evenly balanced sex ratio as an infection proceeds.
- Physics
Electrical superball pulls itself together
A strong electric field can drive tiny particles of a superconductor to bind themselves together into a remarkably sturdy ball.
- Health & Medicine
Glutamate glut linked to multiple sclerosis
The chemical glutamate can overwhelm nervous-system cells called oligodendrocytes, adding to the nerve damage caused by wayward immune cells in multiple sclerosis.
