Articles on Biology

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Cyanobacteria blooms. (Christophe Langevin)

Monitoring the health of lakes through the microbes that live in them

New techniques monitor the health of lakes in real time by analyzing their microbiome to anticipate and respond to environmental threats such as cyanobacteria.
Biobots could one day be engineered to deliver drugs and clear up arterial plaque. Kriegman et al. 2020/PNAS

Biobots arise from the cells of dead organisms − pushing the boundaries of life, death and medicine

Given the right conditions, certain types of cells are able to self-assemble into new lifeforms after the organism they were once part of has died.
Ice and snow cover on a boreal forest lake in winter (Lake Simoncouche, Saguenay, Québec). (Noémie Gaudreault)

Lakes don’t sleep in winter! There’s a world living under ice

Canadians are no strangers to cold winters, when everything in nature appears to be frozen solid. However, under the ice cover of lakes, many animals remain active during the winter.
The bamboo coral Isidella displaying bioluminescence in the Caribbean in 2009. Sönke Johnsen

From glowing corals to vomiting shrimp, animals have used bioluminescence to communicate for millions of years – here’s what scientists still don’t know about it

Dozens of animals, some on land but many in the ocean, can produce light within their bodies through chemical reactions. Scientists are still trying to understand when and why this trait developed.

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