An AIDS free generation was recognized as a tenable possibility at the 19th International AIDS Conference in Washington, D.C., last month. Prominent scientists and policy makers argued that we are at a critical juncture in the fight to end the HIV pandemic. HIV-preventative interventions have been developed that...

Like a football player who just scored a touchdown, male white-flippered penguins (Eudyptula minor albosignata) perform triumph displays after defeating an opponent. Now, researchers in New Zealand have found that those victory dances, complete with a braying, donkeylike call and flipper waving, make it less likely that nearby penguins will...

Since their introduction to the Atlantic Ocean in the 1980s, Pacific red lionfish (Pterois volitans) have gobbled up native Caribbean and western Atlantic reef fishes, reducing their abundance by up to 90%. Researchers think one of the secrets to the lionfish's success is a predation strategy unheard of in other...