Science

Intelligence test shows bees can learn to solve tasks from other bees

By Kristin Hugo

Scientists teach bees how to solve puzzles, who in turn teach the solution to other bees.

Hunt for alien life zooms in on newly discovered solar system

By PBS News Hour

Astronomers have identified seven Earth-sized planets orbiting a star that's just a mere 230 trillion miles from our own planet, raising the tantalizing prospect of life in a solar system beyond our own. Science correspondent Miles O’Brien joins Hari Sreenivasan…

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Scientists find 7 Earth-like planets orbiting nearby ultracool star

By Nsikan Akpan

Exoplanets are a dime a dozen these days, but the Trappist-1 exosolar system stands out by hosting seven Earth-like exoplanets, according to a new study.

President Trump promised California farmers he would ‘start opening up the water.’ Can he?

By Michelle Mizner, Katie Worth

Though California is a famously blue state, its agricultural heartland beats red. This is slowly changing as the valley diversifies and urbanizes.

Fighting to breathe in the world’s most polluted city

By PBS News Hour

Delhi now outranks Beijing as the world's most polluted city. Carbon dioxide, ozone and fine carbon particles get trapped over India's capital, mostly due to dirty fuels, causing long-term health consequences such as lung and heart disease. Special correspondent Fred…

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Same-sex marriage laws linked to fewer youth suicide attempts, new study says

By Corinne Segal

The researchers found that suicide attempts by high school students decreased by 7 percent in states after they passed laws to legalize same-sex marriage.

At a resurrected climate conference, concerns loom that CDC scientists may be silenced

By Max Blau, STAT

Organizers of a conference on public health and climate change urged policy experts and policymakers to mobilize in the wake of a new administration they say has denied the impact, and even the existence, of global warming.

What EPA’s Scott Pruitt means for environmental policy and regulation

By PBS News Hour

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Native Americans brace for impact as EPA undergoes changes

By Kristin Hugo

In the past few weeks, EPA workers have worried about political threats to the agency under the Trump administration. Tribal leaders say changing environmental protections would affect them first.

‘Eagle eye’ lenses may inspire hi-def cameras as thin as a strand of hair

By Andrew Wagner

Miniature lenses that mimic the eyes of predatory birds could shrink a camera’s size to less than 1/100th of an inch -- and in the meantime, revolutionize a host of compact technologies.