articles

As Canadians brace for “vitamin D winter” – months when the sun’s angle is too low to produce the vitamin in the skin – a McGill University study explains why vitamin D deficiency early in life is associated with a higher risk of autoimmune diseases.

Polar bears in some parts of the high Arctic are developing ice buildup and related injuries to their feet, apparently due to changing sea ice conditions in a warming Arctic.

Capturing and storing the carbon dioxide humans produce is key to lowering atmospheric greenhouse gases and slowing global warming, but today’s carbon capture technologies work well only for concentrated sources of carbon, such as power plant exhaust.

A firm understanding of the photovoltaic effect, by which light can be converted into useful electrical energy, lies at the core of solar cell design and development.

Changing precipitation patterns in the Neotropics, one of Earth’s most biodiverse regions, could threaten two-thirds of the area’s bird species by the year 2100 if climate change goes unchecked, according to new research led by the University of Illinois Urbana-Champaign and George Mason University.