Devices that nudge the rich and middle class to exercise don't offer same boost to those with lower incomes.
Brian Owens, Contributor
If the world can limit future greenhouse gas emissions, scientists are hopeful that adaptations can help a battered industry survive.
Benjamin Plackett, Contributor
A new study looked beneath blacked-out portions of letters to see if a relationship with a Swedish count was more than a friendship.
Katharine Gammon, Contributor
A new paper examines how elephants work together to solve a task and when cooperation breaks down.
Katharine Gammon, Contributor
People who watch hockey use context to follow the small, fast-moving puck.
Joshua Learn, Contributor
A new study shows how putting candy far from the checkouts makes people buy less of it.
Katharine Gammon, Contributor
Researchers pinpoint small compounds responsible for coffee's astringency, chalkiness and mouthfeel.
Charles Q. Choi, Contributor
New research recommends allowing pilots to choose their own routes on trans-Atlantic flights to reduce carbon emissions.
Joel Shurkin, Contributor
Torches cast a brilliant glow that was good for exploring, while lamps were better for lighting one small area.
Charles Q. Choi, Contributor
The new technological solution developed for one type of pesticide could soon expand to others.
Karen Kwon, Contributor
Researchers designed pasta that is stored flat and morphs into shape while cooking.
Charles Q. Choi, Contributor
This month in pictures
Abigail Malate, Staff Illustrator