News
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Health & MedicineBody’s immune protein fights breast cancer
A new study clarifies the role of interleukin-25 in stalling malignancy, possibly clearing the way for new drug development.
By Nathan Seppa -
LifeAntarctic lake hides bizarre ecosystem
Bacterial colonies form cones similar to fossilized examples of Earth’s early life.
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ChemistryPlants and predators pick same poison
Zygaena caterpillars and their herbaceous hosts independently evolved an identical recipe for cyanide.
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LifePenguin declines may come down to krill
Lack of food appears to be hurting birds on the Antarctic Peninsula.
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PhysicsScrewy symmetry revealed
Math trick that reverses spirals and other shapes that twist and turn should provide new ways to understand and design materials.