The World Health Organization no longer considers COVID-19 a public health emergency of international concern and has brought an end to an emergency declaration that has been in place since January 2020.
Scientists in Brazil may have observed the first example of an amphibian pollinating a flowering plant.
An analysis of ancient mammoth tusks has revealed that they underwent musth just like modern elephants do.
Doctors performed a first-of-its-kind brain surgery on a fetus in the womb to repair a malformed blood vessel.