One set himself on fire, the other had a fight with the cops. But experts say ketamine is an unlikely culprit.
To explain his lack of support for legalization, Joe Biden cited a line of reasoning at odds with federally approved science.
Big claims have been made about the infiltration of fentanyl into America's cocaine supply. So we got some hard data.
The drug, esketamine, is a new kind of antidepressant for people who haven't responded to other treatments.
"It can generate a sense of detachment from the body and the self and, at higher doses, a full-blown dissociative experience."
Combining drugs is never a good idea, but that doesn't stop a lot of people from doing it.
The scientists used the DNA of Lonesome George, the last known Pinta Island tortoise.
A first responder told us everything that's most likely to go wrong.
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