Technique may reveal the age of moon rocks during spaceflight

Researchers are developing instruments and methods for measuring the ages of rocks encountered during space missions to the Moon or other planets. Many of the techniques used to date rocks on Earth are not practical in spaceflight, ...

Drugs in wastewater contaminate drinking water

Both prescription and illegal drugs that are abused have been found in Canadian surface waters. New research shows that wastewater discharges flowing downstream have the potential to contaminate sources of drinking water ...

Main hurdles in UN climate talks

The following are the main obstacles in the UN climate talks, according to a background paper issued for a 45-nation meeting that began in Paris on Monday.

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