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Engineers at the University of Waterloo have discovered a new way to program robots to help people with dementia locate medicine, glasses, phones and other objects they need but have lost.

Two flood-resistant rice varieties are helping farmers in Africa to improve productivity, with huge potential returns for countries affected by climate change, agricultural food experts say.

Researchers found that emissions of the powerful greenhouse gas dropped for several years near the nation’s second-largest metropolitan area.

Shelled pteropods, commonly known as sea butterflies, are increasingly exposed to ocean changes, but some species are more vulnerable to this threat.

A research team, composed of climatologists and an astronomer, have used an improved computer model to reproduce the cycle of ice ages (glacial periods) 1.6 to 1.2 million years ago.