Jul 25 Watch 8:21 As bee populations decline, can technology help fill the gap? By William Brangham, Rachel Wellford Humans rely heavily on pollinator bees to sustain food production globally. But for decades, the insects' population has declined, in part because of pesticide use. If the die-off continues, it will have huge economic and public health consequences for people. Continue watching
Jul 25 Watch 2:48 A brief but spectacular take on how animals and continents are interconnected Although Prosanta Chakrabarty grew up in Queens, he always loved nature. The wonder of the world's creatures inspired him to study biology, a field that illuminates which of Earth’s beings are related to one another -- and how an event… Continue watching
Jul 24 Is FaceApp a security risk? 3 privacy concerns you should take seriously By Nsikan Akpan We asked five experts with backgrounds in data security and tech law if FaceApp worries them. Their resounding answer was yes. Continue reading
Jul 22 This everyday chemical was cast aside. Its replacement might be making cats sick By Berly McCoy Manufacturers phased out flame retardants called PBDEs because of health concerns in pets and humans. New research suggests their replacements may be just as bad. Continue reading
Jul 20 Watch 10:25 NASA looks to return astronauts to the moon By Hari Sreenivasan, Sam Weber, Connie Kargbo Fifty years ago today, astronaut Neil Armstrong became the first person to walk on the surface of the moon. Now, for the first time since the Apollo program ended in 1972, NASA is planning an ambitious launch in 2024 to… Continue watching
Jul 20 Watch 4:04 NASA opens a new collection of moon rocks to researchers By Hari Sreenivasan, Sam Weber, Connie Kargbo Johnson Space Center in Houston houses more than 2,000 samples collected over six Apollo missions between 1969 and 1972 from various parts of the moon. The collection includes rocks, core samples, pebbles and dust that scientists are still learning from… Continue watching
Jul 20 Watch 2:39 This retired astronaut captured hundreds of images in space Retired astronaut Scott Kelly spent a record-setting 340 days on the International Space Station. And while he was there, he took hundreds of photographs that he compiled into a book: "Infinite Wonder: An Astronaut’s Photographs From A Year In Space."… Continue watching
Jul 19 Why a sustainable future may depend on humans returning to the moon By Nsikan Akpan PBS NewsHour spoke to four researchers about what the U.S. stands to gain and lose from future crewed voyages to the moon. Continue reading
Jul 19 Watch 4:50 With more extreme heat, air conditioning becomes a matter of life and death According to NASA, last month was the hottest June documented in the past 139 years. And the National Weather Service forecasts record highs, at potentially deadly levels, through the coming weekend. How is climate change related to the extreme heat,… Continue watching
Jul 19 Watch 7:35 As Trump administration pushes for new space exploration, critics question its costs By Miles O'Brien The 50th anniversary of the Apollo 11 mission is being commemorated extensively, including at the White House, where President Trump recognized the crew's two surviving members. Their conversation included discussion of a new push to travel to the far side… Continue watching