Corn cultivation spread from Mesoamerica to what is now the American Southwest by about 4000 B.C., but how and when the crop made it to other parts of North America is still a subject of debate. In a new study, scientists ...
Archaeology
May 14, 2020
0
19
A multidisciplinary research group coordinated by the University of Helsinki dated the bones of dozens of Iron Age residents of the Levänluhta site in Finland, and studied the carbon and nitrogen stable isotope ratios. The ...
Archaeology
Apr 24, 2020
0
21
Over the decade since the Deepwater Horizon spill, thousands of scientists have analyzed its impact on the Gulf of Mexico. The spill affected many different parts of the Gulf, from coastal marshes to the deep sea.
Environment
Apr 13, 2020
0
56
What did the Burrard Inlet look like in the past, compared to how it is now? What were the fishing, food source, and maritime resources there and how did this habitat change over time? UBC researchers sought to answer those ...
Ecology
Apr 8, 2020
0
4
Like people, rats cooperate with one another and give food to those in need, but how can they be sure that other rats are being truthful about how hungry they are?
Plants & Animals
Mar 24, 2020
2
252
A previously unknown significant source of carbon just discovered in the Arctic has scientists marveling at a once overlooked contributor to local coastal ecosystems—and concerned about what it may mean in an era of climate ...
Earth Sciences
Mar 20, 2020
11
1163
Toxic arsenic in groundwater is a huge problem for more than a hundred million people worldwide, especially in Southeast Asian countries such as Bangladesh and Vietnam. The arsenic is released by the activity of microorganisms. ...
Environment
Mar 11, 2020
0
61
After more than 70 years, a great mystery of zoology has been solved: Honeybees actually use different dance dialects in their waggle dance. Which dialect has developed during evolution is related to the radius of action ...
Plants & Animals
Mar 4, 2020
0
674
A secret to survival amid rising global temperatures could be dwelling in the tidepools of the U.S. West Coast. Findings by University of California, Irvine biologists studying the genome of an unusual fish residing in those ...
Plants & Animals
Feb 19, 2020
17
259
We've long known honey bees shake their behinds to communicate the location of high-value flower patches to one another, a form of signaling that scientists refer to as "waggle dances."
Plants & Animals
Feb 12, 2020
0
203
