Where do hiccups come from?
We've tried everything to get rid of it: holding our breath, biting on a lemon, eating a spoonful of sugar... But where do hiccups actually come from?
And even more
This is what happens to used contact lenses
The story of Nauru, the "country that ate itself"
How dogs saved a whole village from a lethal disease
"Biodegradable" plastic bags survive three years in sea
What are mushrooms ?
Single-use masks and gloves are generating new plastic pollution