A survival lesson from bats—eating variety keeps species multiplying
22 hours ago
Diet is an important factor influencing the survival and evolution of all species. Many studies have shown that when species evolve from being a predator or insectivore to being a vegetarian, the rate at which new species ...
Cultural evolution has not freed hunter-gatherers from environmental forcing
Jan 04, 2018
Because of culture, humans are often considered to be divorced from the environment and not under the same ecological forcing as other species. However, in a new paper published in Proceedings of the National Academy of Sciences ...
New postcranial skeleton of ancient dolphin Albertocetus meffordum found in South Carolina
Nov 08, 2017
A partial skeleton from an Oligocene dolphin species was found in South Carolina, according to a study published November 8, 2017 in the open-access journal PLOS ONE by Robert Boessenecker from the College of Charleston, ...
Frightened of spiders? It could be in your DNA
Oct 27, 2017
Hypodermic needles, houseflies: both potentially threatening or repulsive but neither elicit the same response in the subjects of a recent experiment. The gut reaction of the many who experience arachnophobia, and 4 % of ...
American oaks share a common northern ancestor
Sep 19, 2017
If you had been in northern Canada 45 million years ago, you might have encountered the distant ancestor of all of the oaks in the Americas. That single species gave rise to 220 more and two distinct lineages—red oaks and ...
Parasite revealed—new insights into dicyemida
Jul 18, 2017
Revealing the origin and evolutionary history of the world's manifold life forms is one way in which we seek to understand them. Even the smallest creature can yield fascinating insights. For example, take the Dicyemida, ...
Size not important for fish in the largest mass extinction of all time
Jun 30, 2017
Understanding modern biodiversity and extinction threats is important. It is commonly assumed that being large contributes to vulnerability during extinction crises.
Researchers use supercomputers to study snake evolution, unique traits
Jun 22, 2017
Evolution takes eons, but it leaves marks on the genomes of organisms that can be detected with DNA sequencing and analysis.
Study doesn't support theory red and eastern wolves are recent hybrids, researchers argue
Jun 07, 2017
A team led by University of Idaho researchers is calling into question a widely publicized 2016 study that concluded eastern and red wolves are not distinct species, but rather recent hybrids of gray wolves and coyotes. In ...
Paleobiologists make intriguing new discoveries about dinosaur ancestors
Jun 01, 2017
An international group of researchers has discovered that the most ancient dinosaurs' ancestors were quadrupedal.