Bird feeders may do as much harm as good, says a U of A ecologist who offers four tips for putting out food without putting birds at risk.

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February
2019

Nothing brightens a yard like a flock of twittering birds, and nothing draws them like a free meal—but it’s an open question whether bird feeders are good for them or not, says a University of Alberta expert.

“There are tradeoffs to feeding wild birds that people have to recognize,” said Erin Bayne, a professor in the Faculty of Science.

RELATED: Scientists track nighthawks’ migration route in search of clues to species’ steep decline RELATED: To feed or not to feed

On one hand, providing food during extreme weather—like Canada’s long, cold winters—does help birds survive, by fuelling their energy needs.

On the other hand, feeding could unwittingly pose mortal danger to them in a few ways.

Hanging feeders in the wrong spots can make birds vulnerable to attacks by hunting cats—their greatest predator in urban environ...

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20
February
2019

Floating particles may play role in mitigating loss of Arctic sea ice, new study shows

The same effect that keeps an icy drink from spilling over may help prevent waves from accelerating loss of sea ice, researchers find.

Waves created by melting Arctic sea ice may not worsen the loss of additional ice as much as has
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February
2019

Billing consumers could help make cloud computing more energy-efficient: study

“Invisible” cost of energy used by data centres could be passed on to customers to encourage sustainable practices, says U of A computing scientist.

Cloud computing services would be more energy-efficient if users were billed directly by providers,
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February
2019

Coastal communities losing ground on climate change planning, study shows

Small cities are already seeing effects of climate change but lack resources and political mandate to adapt, says urban planning expert.

Coastal communities like Homer, Alaska, are losing ground when it comes to planning for climate
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February
2019

U of A doctoral student fuses art and science to win ‘Dance Your PhD’ competition

Musical treatise on science of superconductivity likens electrons to unsociable loners who connect to form joyful pairs.

A musical about unsociable loners who become joyful, active pairs might not seem like a lesson in