The lung float test has been used determine if a baby was born alive or not. Experts say it has "questionable value." ...

Farmers blame a food additive required by the Danish government to cut methane emissions, but the source is unclear.

The owner of a rescued lab dog considers if insights gleaned through animal research are enough to justify the practice.

The Ennedi rock art of Chad should not be read as decoration alone, but as a visual narrative of environmental change.