Tag Archives: Scientists

500 Years Later, Scientists Solve Leonardo da Vinci’s Human Heart Mystery  AOL.com Source link

A tidy textbook definition of life has never existed, yet most biology lessons still lean on the idea that living things must grow, make energy, and reproduce on their own. That simple checklist leaves viruses outside the club, since their genetic shells activate only inside another organism and go dormant again when drifting alone. Ryo Harada of Dalhousie …

Cicadas in southern India have been found to start their dawn chorus with remarkable accuracy, timing their song to a precise level of light during the pre-dawn hours. Researchers discovered that the insects begin singing when the sun is exactly 3.8 degrees below the horizon – a moment known as civil twilight. Recording cicada songs The study, published in the …

With spectroscopy, astronomers can look for telltale signs of stars, galaxies and other celestial objects. Black holes gobble up dust and matter around them, compressing and heating the material as it swirls around and falls into the black hole. All of that can be seen with spectroscopy, said study co-author Steven Finkelstein, a professor of astronomy at the University of …

The first stars in the universe may have been much smaller than we thought, new research hints — possibly explaining why it’s so hard to find evidence they ever existed. According to the new research, the earliest generation of stars had a difficult history. These stars came to be in a violent environment: inside a huge gas cloud whipping with …

Facebook Tweet Email Link Dozens of veteran climate scientists are launching a coordinated response to a Trump administration report that casts doubt on the severity of climate change. The report, released last week alongside proposals to deregulate some polluting sectors, was authored by five researchers well-known for sowing doubt over the impacts Americans are feeling from the climate crisis. The …

Protein powders are a booming industry.Credit: Andrii Shevchuk/Alamy Protein has become a buzzword in health and wellness circles, with social-media influencers touting high-protein diets as the ultimate solution for weight loss and muscle gain. A search on the social-media platform TikTok for “200 grams of protein a day” yields dozens of videos offering tips on how to stay fit by …

Image credits: Farhad Ibrahimzade. A greasy takeaway may seem like an innocent Friday night indulgence. But our recent research suggests even a single high-fat meal could impair blood flow to the brain, potentially increasing the risk of stroke and dementia. Dietary fat is an important part of our diet. It provides us with a concentrated source of energy, transports vitamins …

Scientists Unearth 247-Million-Year-Old ‘Wonder’ Fossil Unlike Anything Seen Before  SciTechDaily FEATHERS BEFORE DINOSAURS? ANCIENT REPTILE FOSSIL REDEFINES INTEGUMENT EVOLUTION  Hiru News A Reptile’s Baffling Backfin And The Math Of Dashing Dinos | Science Friday  WNYC Studios | Podcasts This Reptile Sported Strange, Feather-Shaped Structures Around 247 Million Years Ago  Discover Magazine Something like feathers grew on a 247-million-year-old reptile  San Juan Daily Star Source link

A groundbreaking global study, recently published in Nature, reveals surprising findings about the state of ancient carbon storage and its impact on the atmosphere. For decades, scientists have assumed that carbon trapped deep in soils and rocks, often for thousands or even millions of years, was securely contained, unaffected by the forces of nature and human activity. However, a new …