Uncategorized
-
Air’s oxygen content constrains insect growth
The size to which insects grow is limited by their need to route oxygen to tissues in their legs.
- Earth
Waters near croplands impair frogs’ immunity
Pesticide-containing waters leave frogs more susceptible to fungal infections than pristine environments do.
-
Cloning is most efficient using non–stem cells
Fully matured cells can be used to clone animals.
- Animals
Tropical diversity came with time
Species in richly diverse tropics don't evolve faster than do species in temperate zones.
- Health & Medicine
Antiviral drug may limit herpes spread
In people with genital herpes, the drug famciclovir sharply reduces virus shedding from the genitalia.
