Related topics: species · fossil

Rattlesnake venom: Mild, medium and wicked hot

In a surprising evolutionary twist, a new study suggests that while one rattlesnake may routinely feast on lizard meat, its seemingly identical neighbor snake might strike and strike and never kill its would-be reptilian ...

Having stressed out ancestors improves immune response to stress

Having ancestors who were frequently exposed to stressors can improve one's own immune response to stressors, according to Penn State researchers. The results suggest that family history should be considered to predict or ...

Wind farm 'predator' effect hits ecosystems: study

Wind farms act as a top "predator" in some ecosystems, harming birds at the top of the food chain and triggering a knock-on effect overlooked by green energy advocates, scientists said Monday.

Do lizards dream like humans?

Researchers from the Sleep Team at the Lyon Neuroscience Research Center (CNRS/INSERM/Claude Bernard Lyon 1 University/Université Jean Monnet), together with a colleague from the MECADEV research laboratory (CNRS/Muséum ...

When it comes to regrowing tails, neural stem cells are the key

Cut off a salamander's tail and, in a few weeks, a near-perfect replacement grows. Do the same to a lizard and a new tail will regrow, but it won't be the same as the original. By comparing tail regeneration between the two ...

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