Einzigartiges Zungenbein lässt Männchen mächtiger erscheinen Brüllaffen sind nach ihren beeindruckenden Rufen benannt. Für diese Fähigkeit sind die langen Stimmbänder und ein einzigartiges Zungenbein verantwortlich, das Männchen größer und mächtiger erscheinen lässt als sie wirklich sind. Ein internationales ForscherInnenteam unter … Continue reading →
ANN ARBOR — Charles Darwin noted more than 150 years ago that animals on the Galapagos Islands, including finches and marine iguanas, were more docile than mainland creatures. He attributed this tameness to the fact that there are fewer predators … Continue reading →
AUSTIN, Texas — Scientists working on islands in Florida have documented the rapid evolution of a native lizard species — in as little as 15 years — as a result of pressure from an invading lizard species, introduced from Cuba. After contact with … Continue reading →
AUSTIN, Texas — New research demonstrates that the six electric fish lineages, all of which evolved independently, used essentially the same genes and developmental and cellular pathways to make an electricity-generating organ for defense, predation, navigation and communication.
What do Velcro, Tang, penicillin, the structure of DNA and the World Wide Web have in common? They all involved serendipitous discoveries—chance discoveries made by alert, curious scientists who were looking for other things when they happened across a fortuitous … Continue reading →
In a world that is changing on a global scale and faster than ever before, science should rediscover its roots of observing the natural world unimpeded by the strict protocols of experimental manipulations, UA ecologist Rafe Sagarin and co-author Aníbal … Continue reading →
A classic study from more than 60 years ago suggesting that males are more promiscuous and females more choosy in selecting mates may, in fact, be wrong, say life scientists who are the first to repeat the historic experiment using … Continue reading →
*The iconic, winged dinosaur Archaeopteryx was dressed for flight, an international team of researchers led by Brown University has concluded. The group identified the color of the raven-sized creature’s fossilized wing feather, determining it was black. The color and the … Continue reading →