Science

Column: How the chemistry of sunscreen is protecting your skin this Memorial Day

By Kerry Hanson, The Conversation

Recognition of the risks posed by UV rays has motivated chemists to study what’s going on in our cells when they’re in the sun – and devise modern ways to ward off that damage.

NASA eyes a possible landing on Jupiter’s Europa

By Ben Burress, KQED

NASA is setting its sights on a much deeper look at Jupiter’s moon, Europa, and the mysterious -- potentially life-supporting -- ocean hidden beneath its icy crust.

Trump’s budget renews debate on Arctic refuge oil drilling

By Dan Joling, Associated Press

President Donald Trump's plan to help balance the federal budget features a new attempt to open the coastal plain of Alaska's Arctic National Wildlife Refuge to petroleum drilling.

Will artificial intelligence help us solve every problem?

By PBS News Hour

Artificial intelligence is going to change how we live to such a degree, that when we look back at driving a car, it will seem to us the way the Middle Ages looks from today's perspective. That's according to Sebastian…

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In a first, marijuana substance reduces seizures for some epilepsy patients in clinical trial

By Andrew Joseph, STAT

A component of cannabis reduced seizures in children with a rare form of epilepsy, marking a significant step in efforts to use marijuana and its derivatives to treat serious medical conditions.

In Trump’s EPA, industry has more voice in shaping science

By PBS News Hour

As a candidate, Donald Trump vowed to dismantle the EPA in “almost any form.” And the budget the White House unveiled Tuesday cuts EPA funding by a third. But what’s less known are recent moves that would give the industry…

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Brace yourself: This prosthetic engineer is giving animals a leg up

By Julia Griffin

Derrick Campana made the jump to animal prosthetics and orthotics 12 years ago -- when few, if anyone, created artificial limbs for dogs and other pets.

Thar she grows! How whales got so big

By Andrew Wagner

Using computer models based on a Smithsonian's fossil collection, evolutionary biologists now believe whales' gigantic size was driven by climate change.

Twitter Chat: How much screen time is appropriate during a child’s development?

By Lora Strum

Dr. Nathan Chomilo will join NewsHour science producer Nsikan Akpan for a Twitter chat at 1 p.m. on Thursday, May 25th to talk about the risks of mobile device usage by children.