Chickadees will change their feeding behaviour if they think predators are nearby, according to new research by University of Alberta biologists.

A team of researchers say they have pinpointed the source – methane-producing microorganisms – for large amounts of methane emitted from rainforest-turned-cattle-pasture in Brazil’s Amazon region.

In a new national effort, scientists led by Jeff Blanchard, biology, have received a two-year, renewable resource grant from the Department of Energy (DOE).

For apple growers in Massachusetts and across the country, thinning the crop each year is a labor-intensive practice that must be done to ensure that trees bear fruit each year.

Situations that are truly win-win are few and far between. But, resource managers and foodies alike agree: Eating blue catfish from the Chesapeake Bay is tasty and nutritious一and it is good for the ecosystem.

The U.S. seafood industry is a powerful economic driver. Nationally, it supported 1.2 million jobs and added $69.2 billion to the gross domestic product in 2017.

Scientists don’t yet know what caused the Triassic mass-extinction event — one of the largest extinction events in the history of our planet — 200 million years ago.

McMaster University researchers who analyzed thousands of documents covering a 300-year span of plague outbreaks in London, England, have estimated that the disease spread four times faster in the 17th century than it had in the 14th century.

The state of mature ecosystems must be taken into account before launching massive reforestation plans in sub-Saharan Africa, according to geo-ecologist Julie Aleman, a visiting researcher in the geography department of Université de Montréal.

Carbon dioxide and methane are the biggest drivers of global warming related to human activities.