A familiar voice shapes how zebra finches hear and respond

Conversations with friends have an ease that is hard to replicate with someone you have just met—often replies come more naturally and timing just seems to click. A strikingly similar pattern plays out in zebra finches, ...

Astronomers discuss fortifying our planetary defenses

When people think of asteroids, they tend to picture rare, civilization-ending impacts like those depicted in movies such as "Armageddon." In reality, the asteroids most likely to affect modern society are much smaller. While ...

Can rapid evolution 'rescue' species from climate change?

A potted scarlet monkeyflower would die within a few days without water. But multiple natural populations of the species survived an extreme, four-year drought in California, and researchers now know why: The flowers were ...

Embryogenesis in 4D: A developmental atlas for genes and cells

How does a tiny cluster of cells become an embryo with a head, trunk, and tail? And how do thousands of genes coordinate this development? A new imaging method makes it possible to visualize the activity of thousands of genes ...

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