Wildfire smoke exposure during pregnancy increases preterm birth risk
Smoke from wildfires may have contributed to thousands of additional premature births in California between 2007 and 2012. The findings underscore the value of...
Survival strategy of starving spruces trees: The critical role of reserves
Trees continue to form reserves even during long periods of starvation, study shows.
Under the northern lights: Mesospheric ozone layer depletion explained
The same phenomenon that causes aurorae -- the magical curtains of green light often visible from the polar regions of the Earth -- causes...
New ways to estimate climate change impacts on agriculture
Most scientists agree climate change has a profound impact on U.S. agricultural production. But estimates vary widely, making it hard to develop mitigation strategies....
Biodiversity: Land use – Threat to and opportunity for bumblebees
Bumblebees largely contribute to the pollination of crops. However, they are threatened by land use changes due to climate change. Long-term simulations have now...
Female and young walruses depend on disappearing Arctic sea ice for food sources
A new study shows that disappearing sea ice is a significant element of the food web supporting female walruses and their dependent young in...
Cloud shadows cue mini-migrations
A new study shows that zooplankton swim up and down repeatedly within the ocean's twilight zone due to subtle changes in daylight intensity, with...
Hundreds of Cape Fur seals entangled in fishing lines and nets every year
Fishing line and nets are having a major impact on Cape fur seals, the most common marine mammal observed around the coastline of South...
Evolution now accepted by majority of Americans
The level of public acceptance of evolution in the United States is now solidly above the halfway mark, according to a new study based...
Integrative approach by biologists increases accuracy of mosquito vector surveillance
A team of researchers has developed an integrative approach that increases the accuracy of mosquito surveillance and management. The two-pronged strategy boosts accuracy in...




















