Intricate leaf veins may be an ancient protection against hungry insects Science Magazine Par : Elizabeth Pennisi 30 avril 2024 à 09:01 Study of fossil and modern leaves shows leaf networks are better equipped to survive trauma when they have loops
Where do elbows and knees come from? Biologists track them back to our boneless, sharklike ancestors Science Magazine Par : Elizabeth Pennisi 25 avril 2024 à 07:30 Joints in jaws and limbs, once thought to have evolved for life on land, turn out to date back much earlier, to sharks and their relatives
A gene mutation turned these fish into intrepid explorers Science Magazine Par : Elizabeth Pennisi 25 avril 2024 à 04:00 That behavioral change could explain the remarkable diversity of cichlid fish in Africa’s Lake Tanganyika
Scientists repot flowering plants’ tree of life—and find it has tangled roots Science Magazine Par : Elizabeth Pennisi 24 avril 2024 à 05:20 The most comprehensive look at genetic differences among flowering plants suggests ancient interbreeding confounded relationships between dogwoods and blueberries, among others
Young toads are teaching Australian lizards to avoid deadly snacks Science Magazine Par : Elizabeth Pennisi 16 avril 2024 à 05:20 Massive trial shows monitor lizards will learn to avoid toxic and invasive adult toads after tasting less dangerous juveniles
As the lakes that flamingos inhabit expand, the birds’ food supplies are rapidly shrinking Science Magazine Par : Elizabeth Pennisi 12 avril 2024 à 13:00 As soda lakes grow, they may become too dilute in nutrients and food to sustain the iconic pink birds
Giant viruses played a key role in early life, study in Yellowstone hot spring suggests Science Magazine Par : Elizabeth Pennisi 9 avril 2024 à 03:45 DNA analyses reveal viruses have infected red algae—and spurred evolution—for at least 1.5 billion years
Global push to put natural history collections online gets major U.K. boost Science Magazine Par : Elizabeth Pennisi 2 avril 2024 à 14:20 London’s Natural History Museum gets nearly $200 million to digitize many millions of specimens, while U.S. scientists look on with envy