Scientists have re-engineered photosynthesis, the foundation of life on Earth, creating genetically modified plants that grow faster and bigger. They hope it leads to bigger harvests of food.
Nine countries now have nuclear weapons, even as the U.S. threatens to pull out of international non-proliferation treaties. That seems ominous. But is it? Do nuclear weapons even matter? Kerri Miller talks to three guests with three different views.
Minutes after the turn of the new year, NASA's New Horizons probe will fly by a minor planet in the most distant exploration of a world ever attempted.
Roman was one of the first female executives at NASA and its first chief of astronomy, and she played an instrumental role in making the Hubble Space Telescope a reality.
According to psychology professor Bridget Robinson-Riegler, smells have a strong connection to the memory parts of the brain. MPR News host Angela Davis talked to Professor Robinson-Riegler about smells and memories.
London's Gatwick Airport was operating without problems Sunday, but the fugitive drone operators who brought incoming and outgoing flights to a standstill over multiple days remained at large.
Research suggests the winter blues are triggered by specialized light-sensing cells in the retina that communicate directly with brain areas involved in mood.