Changes in Earth's crust caused oxygen to fill the atmosphere

Scientists have long wondered how Earth's atmosphere filled with oxygen. UBC geologist Matthijs Smit and research partner Klaus Mezger may have found the answer in continental rocks that are billions of years old.

Observation of the hyperfine spectrum of antihydrogen

A Canadian-led investigation has opened a new chapter in antimatter research. In a study published today in Nature, the ALPHA Collaboration, which includes 50 physicists from 17 institutions, reports the first detailed observation ...

Hostage situation or harmony? Researchers rethink symbiosis

Relationships where two organisms depend on each other, known as symbiosis, evoke images of partnership and cooperation. But a new study in Nature Ecology and Evolution shows that, when it comes to certain microorganisms, ...

Smart surface enables advanced manipulation of droplets

For many years, engineers have sought to create a special kind of surface: one that can both repel and absorb liquids, and whose ability to do so—its "wetting behaviour"—can be quickly and precisely controlled. The technology ...

Invention uses bacteria to purify water

A University of British Columbia-developed system that uses bacteria to turn non-potable water into drinking water will be tested next week in West Vancouver prior to being installed in remote communities in Canada and beyond.

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