Accueil > Communication > Newsletter scientifique > Articles de presse > Sciences

Sciences RSS des Sciences

Page(s) : < | 1 | ... | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | ... | 377 |

30 juin 2017

Floral curve test shows what’s great for a moth is not so good for a flower [ScienceNews]

3-D printed imaginary flowers reveal hidden pollinator-plant conflict over flower shape.

Lire la suite

30 juin 2017

Les dessous de l’altruisme chez les chimpanzés [Sciences & Avenir - Animaux]

Ils prennent des risques pour le groupe, font des dons à leurs dépens sans être assurés d’un retour : deux études éclairent les comportements altruistes de nos cousins grands singes.

Lire la suite

30 juin 2017

Deux études à grande échelle confirment les dégâts des néonicotinoïdes sur les abeilles [Le Monde - Planète]

Ces insecticides extrêmement puissants diminuent la fertilité des colonies, augmentent la mortalité et contaminent l’environnement.

Lire la suite

29 juin 2017

Variation at a central metabolic gene influences male fruit fly lifespan [Phys]

The overexpression of an important gene that regulates energy metabolism can cause a severe shortening of lifespan in male fruit flies but has only a small negative effect on lifespans of female fruit flies, according to new research from North Carolina State University. The findings, which involve metabolic genes and pathways that are important in humans and other animals, shed more light on sex-specific differences between male and female lifespans.

Lire la suite

29 juin 2017

Darwin’s ’strangest animal ever’ finds a family [Phys]

Charles Darwin, Mr. Evolution himself, didn’t know what to make of the fossils he saw in Patagonia so he sent them to his friend, the renowned paleontologist Richard Owen.
Owen was stumped too. Little wonder.
"The bones looked different from anything he knew," said Michael Hofreiter, senior author of a study published Tuesday in Nature Communications that finally situates in the tree of life what Darwin called the "strangest animal ever discovered".

Lire la suite

Page(s) : < | 1 | ... | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | ... | 377 |