May 27 The case for starting sex education in kindergarten By Saskia de Melker In the Netherlands, the approach, known as “comprehensive sex education,” starts as early as age 4. You'll never hear an explicit reference to sex in a kindergarten class. The goal is bigger than that. It’s about having open, honest conversations… Continue reading
May 27 Scientists trace cancer-causing chemical in drinking water back to methadone By Nsikan Akpan Methadone reacts chemically with a disinfectant used at a third of U.S. wastewater treatment plants to create a carcinogen. Continue reading
May 26 Researchers use brain scans to hunt for Alzheimer's cause By Lauran Neergaard, Associated Press Now researchers are adding tau brain scans to an ambitious study that's testing if an experimental drug might help healthy but at-risk people stave off Alzheimer's. Whether that medication works or not, it's the first drug study where scientists can… Continue reading
May 22 How to stop a bamboo invasion and other surprising facts about roots By Nsikan Akpan The PBS NewsHour science team takes a field trip to the U.S. Botanic Garden to learn about roots. Continue reading
May 22 What's making this galaxy shine with the light of 300 trillion suns? By Colleen Shalby In a galaxy far, far away -- specifically 12.5 billion years from Earth -- shines the light of over 300 trillion suns. Continue reading
May 22 Photos: Capturing the slick from California's oil spill By Ariel Min, Joshua Barajas For most of the week, hundreds of clean-up workers have collected globs of black goo and scrubbed rocks coated with the sticky substance to restore a California beach that was contaminated with oil. Continue reading
May 22 3 white collar jobs that robots are already mastering By Joanne Elgart Jennings Over the past 20 years, we've seen plenty of blue collar jobs outsourced to machines -- from auto assembly to customer service. Now, as computers, equipped with artificial intelligence, increasingly take over "information jobs," tasks that were once reserved for… Continue reading
May 21 Watch 4:46 Photographers chase Yosemite's rare moonlight rainbows By PBS News Hour On a clear night in Yosemite, only a few times each year, the full moon hits a misty spray of the highest waterfall in the park, creating a nighttime rainbow that is visible only through a camera lens. But this… Continue watching
May 21 Watch 7:49 Fishermen and farmers fight over water in California By PBS News Hour Facing a multi-year drought, California's rivers are too shallow and warm for salmon. Meanwhile, record production of thirsty nut crops like almonds and walnuts has diverted water from the river delta. But just as environmentalists blame nut farmers for bleeding… Continue watching
May 20 Watch 8:15 Will your job get outsourced to a robot? By PBS News Hour It's not just basic tasks anymore: Computers can now do work once deemed possible only by humans. And in some cases, the computers are doing it better. In an economy driven increasingly by intelligent automation, which jobs will survive? Hari… Continue watching