Scientists have known for decades that many animals use the Earth's magnetic field for navigation. It's less clear how they do it. A new study suggests earthworms may be a good way to figure it out. Politics
Scientists identify key reason people may use or get addicted to cannabis The Washington Post Science
Why do people use or get addicted to cannabis? A new study offers clues. The Washington Post Politics
Women have an evolutionary advantage when it comes to living longer. They outlive men by about 5 years. This gender gap is true for many mammals, but a new study shows how human males could narrow it. Politics
Women have an evolutionary advantage when it comes to living longer. They outlive men by about five years. This gender gap is true for many mammals, but a new study shows how human males could narrow it. Politics
In the last decade, more than a dozen types of cancer have risen among people under 50. Scientists don’t have all of the answers, but research is starting to offer clues. Politics
Plus: Withings collabs with Clue to offer advanced women’s cycle tracking, there’s a new Balmuda toaster, and Shokz shows off Dolby Audio–powered open earbuds. Technology
President Trump wants far more homeless people forced into mandatory long-term addiction or mental health treatment but critics say forcing people to accept care is risky and expensive. Politics
A plan backed by President Trump could force far more unhoused Americans into long-term treatment for addiction and mental illness. Experts fear people who aren't dangerous could be swept up. Politics
