Biology Why are North American velvet ants more colorful? Scientists wanted to know if African velvet ants have a mimicry system and if they have fewer color patterns than the velvet ants in North America.
Archeology Where did the first people in the Caribbean come from? Scientists used ancient DNA, radiocarbon dating, and archaeological remains to find out where the first people in the Caribbean came from.
Animal behavior How do ravens’ thinking skills compare with apes’? Scientists wanted to know how ravens’ intelligence and cognitive skills compared to apes.
Astronomy How can we predict bone loss in astronauts? Researchers wanted to assess and predict bone loss in astronauts caused by spaceflight.
Discrimination How do gender stereotypes impact girls’ interest in science? Researchers investigated the impact of gender stereotypes favoring boys in computer science and engineering on children and adolescents.