Sur le Web
Nouveautés sur le Web
Articles les plus récents
Shimmering, Squishy Comb Jellies Once Had Skeletons
lundi 20 juillet 2015 — Evolution, Evolutionary Biology
An evolutionary arms race 500 million years ago seems to have unexpectedly caused today's gelatinous comb jellies to armor up -- and they weren't alone. -- Read more on ScientificAmerican.com
Alien Intelligence Search Gets Major New Push
lundi 20 juillet 2015 — Society & Policy, EARTH, Evolution, Space, Cosmology, Extraterrestrial Life, Space Exploration, Technology, AEROSPACE, Communications, Computing, Consumer Electronics, ENGINEERING
Entrepreneur and former physicist Yuri Milner talks about the just-announced $100-million Breakthrough Listen Project to search for extraterrestrial technological civilizations -- Read more on ScientificAmerican.com
Tiny Ocean Plants Geoengineer Brighter Clouds
lundi 20 juillet 2015 — More Science, Biology, Chemistry, Everyday Science, Society & Policy, Climate, EARTH, Environment, Ecology, WEATHER, Evolution
Marine life seems to create a reflective sunshade above the Southern Ocean -- Read more on ScientificAmerican.com
New Fossil Reveals Velociraptor Sported Feathers
vendredi 17 juillet 2015 — More Science, ARTS & CULTURE, Evolution, Archaeology & Paleontology, Dinosaurs, Evolutionary Biology
Real velociraptors hardly resembled the huge scaly lizards shown in Jurassic World -- Read more on ScientificAmerican.com
Polar Bear Metabolism Cannot Cope with Ice Loss
vendredi 17 juillet 2015 — More Science, Biology, Energy & Sustainability, Climate, Environment, Evolution
The Arctic mammals may not survive the ongoing loss of their hunting grounds -- Read more on ScientificAmerican.com
Male Black Widows Strive for Mate's Monogamy
During courtship, male black widow spiders snip and bundle up the female's web in their own silk, which discourages other suitors from stopping by. Christopher Intagliata reports -- Read more on ScientificAmerican.com
How Homo sapiens Became the Ultimate Invasive Species
Many human species have inhabited Earth. But ours is the only one that colonized the entire planet. A new hypothesis explains why -- Read more on ScientificAmerican.com
Oldest Animal Sperm Found inside Fossilized Worm Cocoon
mercredi 15 juillet 2015 — More Science, Biology, Evolution, Archaeology & Paleontology, Evolutionary Biology
The remains of a preserved 50-million-year-old cell may provide clues to the evolution of earthworms and leeches -- Read more on ScientificAmerican.com
Hitchhiking Worms Survive Slug Guts Transport
Nematode worms hitch rides inside the guts of slugs and other invertebrates, and emerge alive and well after exiting with the rest of the digestive track's products. Karen Hopkin reports -- Read more on ScientificAmerican.com
Why Red Algae Never Packed Their Bags for Land
lundi 13 juillet 2015 — Evolution, Evolutionary Biology
Red algae have shockingly few genes for a multicellular organism - far fewer than a single-celled green alga - and this may explain why they never colonized land. -- Read more on ScientificAmerican.com
Annonces générales :
- ANNONCE
-
Accueil du site |
Contact |
Plan du site |
Espace privé |
Statistiques |
visites : 7361596
Site réalisé avec SPIP 1.9.2e + ALTERNATIVES
