Calcifying algae as key players in climate models

Over the past 500 million years, different single-celled organisms in the oceans have discovered at different times and also under very different conditions how to build a 'shell' around their single cell. "Six different ...

How to change an asteroid into a space habitat, in just 12 years

The basic idea of turning an asteroid into a rotating space habitat has existed for a while. Despite that, it's always seemed relatively far off regarding technologies, so the concept hasn't received much attention over the ...

Uncommon wild bee thrives by nesting in old snail shells

McMaster biologists studying the local abundance of a typically uncommon wild native bee have found a clear link between the unusual population spike and the concentration of a non-native snail in the same area.

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