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In the heat of the summer, time can sometimes appear like it’s melting away. However, our body clock is there to keep track of the hours gone by. Joseph Jacobs, Shutterstock

Biological clocks: how does our body know that time goes by?

Our bodies are able to perceive time thanks to our internal clocks, which are also used by the other living beings with which we interact.
L'été peut paraître infini - surtout aux enfants - mais nos horloges biologiques savent bien que le temps passe. Joseph Jacobs, Shutterstock

Horloges biologiques : comment savons-nous que le temps passe ?

Nos corps sont capables de percevoir le temps grâce à nos horloges internes, dont sont également pourvus les autres êtres vivants avec lesquels nous interagissons.
Shutterstock/Dale Lorna Jacobsen

In the dark, freezing ocean under Antarctica’s largest ice shelf, we discovered a thriving microbial jungle

A high-tech expedition to sample the ocean under Antarctica’s Ross Ice Shelf confirms what the earliest explorers thought: everywhere we look we find microbes, scavenging any energy source available.
A statue of Mau Mau leader Dedan Kimathi, who was killed in 1957. K. Gituma/Wikimedia

Why Kenya’s Mau Mau gave up their fight

The resilient Mau Mau freedom fighters failed to maintain revolutionary action after independence.
Des survivants d'un glissement de terrain dans une école de fortune, le 15 novembre 2017, dans la région de Regent, dans la périphérie de Libreville, en Sierra Leone. Saidu Bah/AFP

L’éducation peut-elle être réellement égalitaire ?

Pourquoi tant d’enfants sont-ils toujours déscolarisés ? Et quels progrès ont déjà été accomplis ? Parité, exclusion et pauvreté sont au cœur des défis de l’éducation pour tous.
Survivor of the mudslide are seen attending school on November 15, 2017 at the Old Skool Camp, in the mountain town of Regent on the outskirts of Sierra Leone’s capital Freetown. Saidu Bah/AFP

Can education become truly egalitarian worldwide?

About 263 million children and youth worldwide are out of school. If some progress have been made, especially on school attendance, huge gaps remain on gender parity or equity in schooling choices.
Bolivia’s new mining bill has put the country on a knife-edge. EPA

Indigenous Bolivians are seething over mining reforms

The government of president Evo Morales has approved a new mining law for Bolivia. It received virtually no international news coverage, yet is proving highly divisive within the country. A previous version…
Don’t even go there, girlfriend! KOO/Shutterstock

Ravens have social abilities previously only seen in humans

Humans and their primate cousins are well known for their intelligence and social abilities. You hear them called bird-brained, but birds have demonstrated a great deal of intelligence in many tasks. However…


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