Priapulid Worms Highlight Need to Rename A Group of Animals
A new study on the development of priapulids, known colloquially as penis worms, throws doubt on a feature that has been thought to define one…
A new study on the development of priapulids, known colloquially as penis worms, throws doubt on a feature that has been thought to define one…
A newly published study analyzes genetic and paleoanthropological evidence, showing that today’s human population is the result of a great demographic and geographic expansion that…
A new study of fossils in New Zealand has discovered that cloning dinosaurs or organisms that have been extinct for millions of years is highly…
Paleontologists have discovered that horseshoe crabs haven’t had an entirely static evolutionary history. A new fossil has helped elucidate the mystery of the horseshoe crabs,…
Pegomastax africanus is a new species of plant-eating dinosaur with tiny, 1-inch-long (2.5-centimeter-long) jaws, which was discovered in South Africa. It thrived during the Lower…
After having put young adults with normal vision through a battery of tests, scientists were able to conclude that females are better at discriminating among…
African spiny mice, specifically the species Acomys kempi and Acomys percivali, have skin that is brittle and can be easily torn. This evolutionary adaptation allows…
The current rising acidity in the ocean is supposed to have dire consequences for organisms like coral, but there are some sea urchins that have…
Chemists are close to showing that DNA could form spontaneously from chemicals which were present during primordial Earth. If they succeed, the work could imply…
J.B.S. Haldane proposed in the 1930s that children might inherit more mutations from their fathers than their mothers. This year, thanks to whole-genome sequencing of…
A newly published study compares the Denisovan genome with those of the Neandertals and eleven modern humans from around the world, finding that modern populations…
Menopause affects humans, pilot whales and killer whales. These are the only organisms on Earth that stop being able to reproduce long before their lifespan…
Two new studies examined the process is known as Muller’s ratchet, giving a quantitative understanding of the ratchet’s processes and showing why populations my not…
A newly published study from Yale University scientists suggests that the earliest ray-finned fishes called teleosts appeared well before what researchers had previously thought, finding…
A newly published study by Cornell scientists details how they examined insect species that feed on plants containing powerful toxins called cardenolides to better under…
Researchers at the University of Colorado Boulder believe that nitrogen emissions are altering sensitive ecosystems in the Rocky Mountain National Park, representing a first step…
While studying extinction threat due to habitat loss, scientists found that the relationship between geographic area and richness of species primarily depends on the mean…
A newly published study examined data from 26 clinical trials to better understand how drug-resistant HIV mutations form and to help find more effective treatments….