08/09/2015

Canada dominates European Rover Challenge 2015

Canadian teams have dominated the second edition of the biggest European competition for Mars rovers that took place on Sept. 5-6 at the Regional Science-Technology Centre in Podzamcze, Poland. The Space Design Team of the ...

What types of nucleic acids existed before RNA and DNA?

Structure generation software allows scientists to begin exploring the types of nucleic acids that could have existed before, alongside, or indeed instead of, ribonucleic acid (RNA) and DNA.

New model predicts the force required to tie simple knots

Got rope? Then try this experiment: Cross both ends, left over right, then bring the left end under and out, as if tying a pair of shoelaces. If you repeat this sequence, you get what's called a "granny" knot. If, instead, ...

Delayed effects of oil spill compromise long-term fish survival

For 25 years, methodical research by scientists has investigated the effects of the Exxon Valdez oil spill in 1989 on Alaskan communities and ecosystems. A new study released today into the effects of the 1989 Exxon Valdez ...

Native tribe fights to save Boreal forest in Quebec

Mandy Gull holds back tears as she steps off the helicopter in northern Quebec. "I've never seen anything so sad," says the young woman whose aboriginal tribe is seeing its ancestral lands eroded by logging.

Drilling boom brings rising number of harmful waste spills

Carl Johnson and son Justin are third- and fourth-generation ranchers who for decades have battled oilfield companies that left a patchwork of barren earth where the men graze cattle in the high plains of New Mexico. Blunt ...

Benefits for humanity: From NASA to Napa

From the microgravity environment aboard the International Space Station to the microclimates of the Napa Valley, station research impacts many different industries on Earth. The latest video in the Benefits for Humanity ...

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