Nearby galaxies and their black holes could hold the answers to the existential questions that remain unanswered about the beginning of the universe.
The lymphatic system helps rid the body of toxins. Diseases of this system include lymphadenopathy, lymphoma and other disorders.
Cannabidiol (CBD), an active ingredient in cannabis, might help block infection with the virus that causes COVID-19.
Divers with UNESCO have discovered and mapped out a massive and unusually pristine reef of rose-shaped corals in Tahiti.