Mar 01 Watch 2:15 Yosemite 'firefall' slows to a trickle amid drought By Christopher Booker, Michael D. Regan, Mori Rothman A natural spectacle called "firefall" happens each February in California's Yosemite National Park when light from the setting sun strikes the park's Horsetail Falls, making it look like it's ablaze with fire. But this year the waterfall slowed to a… Continue watching
Feb 28 How a California startup aims to prove it could launch orbital rockets on a daily basis By Rebecca Newman, Isabella Isaacs-Thomas Astra’s launch is part of a tech innovation challenge from the Defense Advanced Research Projects Agency, an agency of the U.S. Department of Defense. Continue reading
Feb 28 Pioneering theoretical physicist Freeman Dyson dies at 96 By Justin Stabley In popular culture, Dyson is most famous for his thought experiments on space travel and future civilizations. Continue reading
Feb 28 Red pandas may be two different species, raising conservation questions By Adam Moolna, The Conversation Should scientists keep both red panda species genetically separate and "pure," even if that risks extinction?… Continue reading
Feb 27 Biggest explosion seen in universe came from colossal black hole By Marcia Dunn, Associated Press The explosion was so large it carved out a crater in the hot gas that could hold 15 Milky Ways. Continue reading
Feb 27 How a WWI war helmet outperformed modern gear in a new study By Vika Aronson, Gretchen Frazee Your great-grandfather’s World War I helmet that’s stuffed in the back of the closet could be just as effective at preventing brain injury from some blasts as a modern-day military helmet, a recently published study from Duke University researchers suggests. Continue reading
Feb 26 Watch 8:29 15 percent of Americans have migraine disease. Why aren't there better treatment options? By Stephanie Sy, Lorna Baldwin Migraine disease affects 47 million Americans -- 75 percent of whom are women. Although headache is one symptom, attacks can include visual disturbances, nausea, extreme light and sound sensitivity, brain fog and debilitating pain. Stigma and gender stereotypes may complicate… Continue watching
Feb 24 Watch 8:41 With new outbreaks of COVID-19, are we on the 'precipice' of a pandemic? Will novel coronavirus, now known as COVID-19, morph into a global pandemic? Health officials worldwide are concerned about incidents of human-to-human transmission of the illness, although it continues to have a relatively low death rate. Amna Nawaz reports and Georgetown… Continue watching
Feb 24 Watch 5:07 Why the economic impact of COVID-19 might outlast the outbreak The virus that quarantined entire cities in China has spread far beyond, raising the specter of a global pandemic. As cases of novel coronavirus rise in other countries, panic is rippling through financial markets. Grant Thornton economist Diane Swonk joins… Continue watching
Feb 24 Pentagon adopts new ethical principles for using AI in war By Matt O'Brien, Associated Press The new principles call for people to "exercise appropriate levels of judgment and care" when deploying and using AI systems, such as those that scan aerial imagery to look for targets. But the principles fall short of stronger restrictions favored… Continue reading