Australia becomes the first country to allow the prescription of MDMA for post-traumatic stress and psilocybin, present in hallucinogenic mushrooms, for depression. Experts admit that the studies are “promising,” but urge caution

When there's no time to waste, you have to go all out. This must be the maxim of the males of the tiny red spider, who "undress" the nearly mature females so they are available for mating as soon as possible. This "behavior…

"July 7th, San Fermín," goes the most traditional song in Pamplona. A celebration inextricably linked to the running of the bulls, it began back in 1385 during the reign of Charles II the Bad. It seems its origins lie in...

Arthur Eddington popularized the expression “the arrow of time” to refer to its irreversibility.