Reull Vallis: A river ran through it

(Phys.org)—ESA's Mars Express imaged the striking upper part of the Reull Vallis region of Mars with its high-resolution stereo camera last year.

Salmon runs boom, go bust over centuries

Salmon runs are notoriously variable: strong one year, and weak the next. New research shows that the same may be true from one century to the next.

Cruise control starts runners on right 'note'

A new app based on technology designed at Simon Fraser University is helping runners to more effectively – and enjoyably – reach and maintain their pace or heart rate goals.

The science of running: Follow the bouncing ball (w/ Video)

(Phys.org) -- Muscle size, genetics and training are among the countless factors that separate Olympic sprinters from the average person. On a fundamental level, however, the mechanics of running are the same for all humans. ...

Over 150 natives occupy Amazon dam construction site

More than 150 indigenous people are occupying one of the construction sites for the huge Belo Monte hydro-electric dam across the Xingu River in the Brazilian Amazon, a local spokesman said Tuesday.

Birds 'flap run' instead if flying over obstacles to save energy

Why don't you ever see baby pigeons? For the same reason you don't see many chicks: they can't fly. It can take months for their partially developed wings and flight muscles to become airworthy, and by then the youngsters ...

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