For kids on summer break, Canada's wildfire smoke hits hard

For many Canadian parents, the start of the summer holidays is turning into a headache, as thick wildfire smoke forces them to check air quality indices the same way they might normally check the weather forecast.

Turning off HSF5 gene leads to less and poorer quality sperm

In research on zebrafish, Örebro researchers have identified a gene that is essential for producing sperm. Results show that fewer and poorer quality sperm are produced when the gene was turned off with the Crispr/Cas9 technique. ...

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