News tagged with population

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Wildlife loss in the global ocean

Over the past 500 years, approximately 500 land-based animal species have gone the way of the dodo, becoming extinct as a result of human activity. In the ocean, where scientists count only 15 or so such ...

Jan 15, 2015
4.2 / 5 (5) 5

How bacteria control their size

Scientists have traditionally studied bacteria in large numbers, not individually. Working with tens of millions of cells in a culture flask, they tracked their growth by looking at how much the cells dimmed ...

Jan 05, 2015
5 / 5 (6) 0

Microbiome may have shaped early human populations

We humans have an exceptional age structure compared to other animals: Our children remain dependent on their parents for an unusually long period and our elderly live an extremely long time after they have ...

Dec 16, 2014
4.9 / 5 (21) 1