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The latest news, analysis and reporting about Science & Technology from the PBS NewsHour and its website, the feed is updated periodically with interviews, background reports and updates to put the news in a larger context.






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How building a better battery would change the game for renewable energy

Watch Video | Listen to the AudioGWEN IFILL: The historic climate change accord in Paris is expected to give a further boost to wind, solar and other forms of energy that are less dependent on fossil fuels that cause greenhouse gases. Some observers think it will change the business model for energy in the decades to come. But when it comes to renewable energy, there’s a crucial technological gap that is no small hurdle. Science correspondent Miles O’Brien has our report. MILES O’BRIEN: A...

Duration: 00:08:50

Paris summit ends with major climate blueprint

Watch Video | Listen to the AudioJUDY WOODRUFF: U.N. Secretary-General Ban Ki-Moon invited world leaders today to come to New York this April to put their signatures on a historic climate accord. But there are numerous questions about its practical realities. Six years after a summit in Copenhagen failed to find common ground, the Paris meeting ended with a major blueprint for governments and a message to business. Delegates from 195 countries were on their feet after they struck a...

Duration: 00:02:36

Will the Paris accord change our climate outlook?

Watch Video | Listen to the AudioJUDY WOODRUFF: So, how meaningful are this weekend’s pledges? And does it signal a fundamental change in how we will get our energy? Fred Krupp is the president of the Environmental Defense Fund. He’s back from Paris. And Robert Bryce is a senior fellow at the Manhattan Institute and the author of several books about this. His latest is titled “Smaller, Faster, Lighter, Denser, Cheaper.” And we welcome you both to the program. Fred Krupp, to you first. How...

Duration: 00:07:06

Medical testing on chimpanzees no longer allowed, the National Institutes of Health says

Watch Video | Listen to the AudioSTEPHEN FEE: At this 200-acre expanse near Shreveport, in Western Louisiana, chimpanzees have the run of the place. It’s called “Chimp Haven,” a sort of retirement community for chimpanzees, our closest genetic relative in the Animal Kingdom. The National Institutes of Health decided last month to end its support for biomedical experiments on chimpanzees, and it will send them here to live out their days. NIH Director Francis Collins says such medical...

Duration: 00:01:51

Why 2 degrees Celsius is climate change’s magic number

Watch Video | Listen to the AudioGWEN IFILL: The international climate talks continue in Paris, where over 150 countries are trying to reach an agreement to limit the carbon emissions that the vast majority of scientists say drive global climate change. William Brangham helps us understand why, almost more than anything, one little number matters. WILLIAM BRANGHAM: For several years now, the stated goal of international climate talks has been to stop the planet from warming an additional...

Duration: 00:07:27

How Einstein’s theory of relativity changed the world

Watch Video | Listen to the AudioJUDY WOODRUFF: But, first, this week marks the 100th anniversary of the publication of Albert Einstein’s greatest work, a series of papers laying out the general theory of relativity. Gwen has a look at how it changed our understanding of the cosmos and the man behind the ideas. She recorded this conversation earlier this week. GWEN IFILL: His work transformed our way of living at the cosmos. When Einstein put forward his general theory of relativity, that...

Duration: 00:07:22

Are pesticides to blame for the massive bee die-off?

Watch Video | Listen to the AudioJUDY WOODRUFF: In this week when we think about food, we take a look now at the vital role bees play in getting some of your favorite dishes to the table, and the way commercial beekeepers in the U.S. are struggling to keep their bees healthy. Allison Aubrey of National Public Radio has our report. The story is part of the NewsHour’s ongoing collaboration with NPR. ALLISON AUBREY: It’s harvest time at Adee Honey Farms in Bruce, South Dakota. Bret Adee’s the...

Duration: 00:08:54

How to grow an Ebola vaccine with a tobacco plant

Watch Video | Listen to the AudioGWEN IFILL: we turn to the search for a treatment for Ebola. West Africa is still dealing with the aftermath of the worst outbreak of the disease in recorded history. Last week, Liberia reported a handful of new cases, just months after the World Health Organization said the country was free of the disease. And this weekend, not one, but two panels said the WHO needs to substantially reform and change the way it deals with international health crises....

Duration: 00:06:31

3-D printers put limb prosthetics for kids in reach

Watch Video | Listen to the AudioGWEN IFILL: A professor from Upstate New York is using technology to transform the world, especially for young people in need of limbs. He shares his experience in his own words as part of this trip down innovation trail, a series of reports on the economy and technology in Upstate New York. This report was produced by WXXI in Rochester. JON SCHULL, Rochester Institute of Technology: I’m Jon Schull. I’m a research scientist here at the Rochester Institute...

Duration: 00:03:51

Flying through an icy plume to test a moon’s hospitality

Watch Video | Listen to the AudioIn our NewsHour Shares series, we show you things that caught our eye recently on the web. What about you? Leave your suggestions in the comments below, or tweet to @NewsHour using #NewsHourShares. We might share it on air. GWEN IFILL: And now to our NewsHour Shares of the day, something that caught our eye which might be of interest to you, too. A NASA spacecraft today flew into an icy spray coming off one of Saturn’s moons. The mission? To figure out...

Duration: 00:01:52

How the ingredients for a catastrophic storm came together for Hurricane Patricia

Watch Video | Listen to the AudioJUDY WOODRUFF: Hurricane Patricia has been described as potentially one of the most dangerous storms to ever hit the Western Hemisphere. Meteorologists now say that Patricia is bringing with it winds of 190 miles an hour, down just slightly from earlier. William Brangham has more on the storm itself and what is fueling it. He recorded this interview a short time ago, as the storm was approaching Mexico. WILLIAM BRANGHAM: Bob Henson is a meteorologist for...

Duration: 00:04:03

New imagery from Pompeii yields surprising findings about ancient humans

Watch Video | Listen to the AudioMEGAN THOMPSON: Two-and-a-half million people visit Pompeii every year, making it one of Italy’s busiest tourist attractions. The ancient city, close to modern-day Naples, is famous for being frozen in time, preserved as it was when the volcano Mount Vesuvius erupted more than 1,900 years ago, in 79 AD. Pompeii, buried in tons of volcanic ash, along with the remains of some 2,000 people killed, was first excavated in the 1800s. Those early discoverers...

Duration: 00:01:39

These hunter-gatherer tribes sleep less than you, and sleep better

Watch Video | Listen to the AudioHARI SREENIVASAN: But, first, just how much sleep do you really need? There’s been plenty of concern, as people spend more time looking at their screens ever later into the night. Previous research has shown that a lack of sleep is associated with a series of problems, ranging from lack of concentration to health effects like obesity and heart disease. But a new study out today finds seven or eight hours a night may not be as essential as we think. I went...

Duration: 00:06:38

Scientist who discovered HIV says achieving remission in patients may be ‘feasible’

Watch Video | Listen to the AudioMEGAN THOMPSON: In the early 1980s, French scientistFrançoise Barré-Sinoussi, one of only a few women at the prestigious Pasteur Institute in Paris, began seeing patients infected with a mysterious virus. FRANÇOISE BARRÉ-SINOUSSI:The feeling that we had is really to rush. It was a lot of pressure you know because of course we had already some evidence that this virus was transmitted by blood, by sexual roots and from mother to child. MEGAN THOMPSON:In 1983,...

Duration: 00:01:31

Where there’s water on Earth, there’s life. Is the same true on Mars?

Watch Video | Listen to the AudioJUDY WOODRUFF: Finally tonight: big news from outer space. NASA today announced that it has found evidence of liquid water on Mars, at least during certain seasons of the Martian year. The discovery was made through satellite images, which revealed darkly shaded streaks on slopes of craters and hillsides. They darken and lighten over time as water seeps across the surface, and then evaporates. For more on what it all might mean, I’m joined by science...

Duration: 00:05:37

What you need to know about the ‘supermoon’ lunar eclipse

Watch Video | Listen to the AudioHARI SREENIVASAN: Look up in the sky tonight, and you may see a rare supermoon total lunar eclipse. The sun, Earth, and a full moon will be in a straight line, making the moon, in its closing point of orbit, appear much brighter than usual, even red-orange in some places. This phenomenon hasn’t happened in 33 years and won’t happen again for another 18. For some insight, yesterday I spoke with “NewsHour” science correspondent Miles O’Brien. Well, why is this...

Duration: 00:03:35

How data is helping asthmatics breathe easier

Watch Video | Listen to the AudioCHRISTOPHER BOOKER: Every night, usually somewhere between dinner time and putting her children to bed, Louisville nurse Dawn Sirek reaches for her inhaler. DAWN SIREK: It’s really simple … and that’s it. CHRISTOPHER BOOKER: On good days, this is only her second dose of a daily asthma maintenance routine. But on bad days, of which there are many, Dawn says she loses count of just how many times she has trouble breathing and needs the inhaler. DAWN SIREK: I...

Duration: 00:04:14

What made the West explode in flames

Watch Video | Listen to the AudioGWEN IFILL: Crews battling wildfires in California seem to have turned the corner against two of the most difficult and destructive blazes. Progress was reported in containing the Valley Fire, which erupted this weekend north of Napa Valley, which torched nearly 600 homes and left many homeless. That and a second fire have scorched more than 140,000 acres in just a matter of days, much of it exacerbated by California’s continuing drought. Hari Sreenivasan, in...

Duration: 00:04:53

Climate change is hurting the sex lives of sea turtles

Watch Video | Listen to the AudioGWEN IFILL: Now we turn to another angle of our continuing of climate change and its impact. Tonight, our science team looks at the toll it is taking on sea turtles and some of their tiniest offspring. We went to the coast of Southern Florida and came back with a major report that we are launching on our Web site tonight. Here’s a part of it. JEANETTE WYNEKEN, Florida Atlantic University: Turtles go back around 230 million years. Sea turtles go back around...

Duration: 00:07:23

Teaching girls to write the rules at video game coding camp

Watch Video | Listen to the AudioGWEN IFILL: Now: giving girls access to a more level playing field in an area formerly dominated by boys, making video games. Special correspondent Sandra Hughes has the story. SANDRA HUGHES: It’s no secret that video gaming is aimed at a male audience. From creation to design to playing the games, the mostly violent first-person shooter games target boys, not girls. No wonder. In 2013, women accounted for just 11 percent of computer game designers and only 3...

Duration: 00:04:53

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