| More Recent Headlines |
| In mice, anxiety isn't all in the head. It can start in the heart Mar 14 2023 8:00 AM Scientists used optogenetics to raise the heartbeat of a mouse, making it anxious. The finding could offer a new angle for studying anxiety disorders. READ MORE  |
| 'Ghost Particle' chronicles the neutrino's discovery and what's left to learn Mar 13 2023 6:00 AM Author James Riordon discusses his new book, why neutrinos are so important and how physicists are on the verge of making big discoveries about them. READ MORE |
| Two scientists' trek showed how people of Chaco Canyon may have hauled logs Mar 12 2023 7:00 AM By carrying a log with the aid of head straps called tumplines, the duo demoed how people may have hauled timbers to Chaco about 1,000 years ago. READ MORE |
| Honeybees waggle to communicate. But to do it well, they need dance lessons Mar 10 2023 3:33 PM Young honeybees can't perfect waggling on their own after all. Without older sisters to practice with, youngsters fail to nail distances. READ MORE |
| Some monkeys accidentally make stone flakes that resemble ancient hominid tools Mar 10 2023 2:00 PM A study of Thailand macaques raises questions about whether some Stone Age cutting tools were products of planning or chance. READ MORE |
| My mammogram revealed I have dense breasts. What does that mean? Mar 10 2023 12:53 PM Nearly half of U.S. women have dense breasts. A new FDA rule makes notification of breast density national. Here's the scoop on why. READ MORE |
| Readers discuss net-zero carbon emissions and glass frogs Mar 10 2023 11:35 AM For good measure Cutting carbon dioxide emissions to curb climate change and reach net-zero is possible but not easy, Alexandra Witze reported in "The road to net-zero" (SN: 1/28/23, p. 22). A report by Princeton University's Net-Zero America project, released in 2021, estimates that wind and solar power production needs to roughly quadruple by 2030 […] READ MORE |
| Good with tools? You may be a cockatoo Mar 10 2023 11:35 AM Editor in chief Nancy Shute talks about smart animals, from tool-using cockatoos to "self-aware" fish. READ MORE |
| A runaway black hole has been spotted fleeing a distant galaxy Mar 10 2023 8:00 AM A bright streak stretching away from a remote galaxy might be the light from stolen gas and new stars caught in the wake of an escaping black hole. READ MORE |
| Scientists have mapped an insect brain in greater detail than ever before Mar 09 2023 2:00 PM Researchers have built a nerve cell "connectivity map" of a larval fruit fly brain. It's the most complex whole brain wiring diagram yet made. READ MORE |
