A new study shows that bed bugs don't fare too well on booze.
Scientists have drilled several miles into the ground, but those holes are nowhere near reaching the center of the Earth.
You can't shrink down to explore inside a person's body, but tiny, tumor-killing soldiers could be an effective cancer treatment.
Caster Semenya is one of the fastest women in the world. Many people, however, think she might be more man than woman.