Democracy is not just for humans.
Turning zero from a punctuation mark into a number paved the way for everything from algebra to algorithms.
Imagine the Earth pulling everything it is made up of, all of its mass, towards its centre. This happens evenly all over the Earth, causing it to take on a round shape.
Scientists who engage with the public may have goals about influencing policy or behavior. But they also need to think about the short-term objectives that will help get them there.
Did we evolve the capacity to produce sublime music simply to get more sex? Or are we driven by higher ideals related to living together in harmony? Maybe it's a bit of both.
Women can often draw attention to dimensions of thinking that their male perspective may miss. But this will only work if they are in positions that allow them to lead and drive the research agenda.
Cassini may be gone but the data it left behind could help reveal how long Saturn's day is and how its magnetic field is generated.
A roundup of research into what makes passwords secure, and options for new standards of login authentication.
New research gives weight to Noam Chomsky's idea of a universal language ability.
Comparing genomes of more than 200,000 people, researchers identified genetic variants that are less common in older people, suggesting natural selection continues to weed out disadvantageous traits.