A team of scientists led by the University of Bristol has provided new insights into the origins of the Archaea, the group of simple cellular organisms that are the ancestors of all complex life.
Almost 150 years after Charles Darwin first proposed a little-known prediction from his theory of sexual selection, researchers have found that male moths with larger antennae are better at detecting female signals.
Latin-Americans originate from a mix of people with Native-American, European and African ancestry. A new study finds that different types of original Native-American ancestry can be associated to different causes of death. Justo Lorenzo Bermejo and Felix Boekstegers from Heidelberg University in Germany, and their Chilean colleagues report these findings in a new study published May 26, 2017, in PLOS Genetics.
A new species of a fossil pliosaur (large predatory marine reptile from the 'age of dinosaur') has been found in Russia and profoundly change how we understand the evolution of the group, says an international team of scientists.
A new global assessment reveals that increases in leaf abundance are causing boreal areas to warm and arid regions to cool. The results suggest that recent changes in global vegetation have had impacts on local climates that should be considered in the design of local mitigation and adaptation plans.
Human social groups have a strange tendency to share responsibility for taking care of infants; parents, older siblings, and other adult relatives all help to nurture babies. The only other primates that take care of infants this way are marmosets, a group of small, highly social monkeys from South America. In another striking parallel to humans, infant marmosets also benefit from frequent feedback while learning their vocal calls, researchers report in Current Biology.
In human history, the transition from hunting and gathering to farming is a significant one. As such, hunter-gatherers and farmers are usually thought about as two entirely different sets of people. But researchers reporting new ancient DNA evidence in Current Biology on May 25 show that in the area we now recognize as Romania, at least, hunter-gatherers and farmers were living side by side, intermixing with each other, and having children.
Mountain-dwelling East African honey bees have distinct genetic variations compared to their savannah relatives that likely help them to survive at high altitudes, report Martin Hasselmann of the University of Hohenheim, Germany, Matthew Webster of Uppsala University, Sweden, and colleagues May 25, 2017, in PLOS Genetics.
Blind cavefish typically have skulls that bend slightly to the left. A study by UC suggests this orientation might help them find food as they navigate in a perpetual counter-clockwise direction around a cave.
Spanish ecologists have observed an unusual way in which treetop-grazing goats may be benefiting the trees: the goats spit out the trees' seeds. Miguel Delibes, Irene Castañeda, and José M Fedriani reported their discovery in the latest Natural History Note in the May issue of the Ecological Society of America's journal Frontiers in Ecology and the Environment.