Colombia: Escobar's hippos have multiplied
Wild hippos are thriving in Colombia, and they're one of Pablo Escobar's legacies.
3 techniques to find your way in the woods
Could "smokers" be the origin of life on Earth?
Drugs and pesticides: a pollution invisible to the naked eye
These people joined the "fertile disobedience" movement to protect nature
This is one of the most invasive aquatic plants in the world
How to make your own zero-waste lip balm