Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

Think back to middle school algebra, like 2 a + b. Those letters are parameters: Assign them values and you get a result. In ...

You know you should exercise, but you make a solid plan to do it … and then, in the decisive moment, you opt out. Why do many ...

For astronaut safety and to bolster success of the human exploration to come later, NASA needs an end-to-end demonstration of ...

We often think of memories like the contents of a museum: static exhibits that we view to understand the present and prepare ...

Humans ask what things mean. Animals move on. That difference explains both our brilliance and much of our psychological ...

Backers claim the tests can predict a child’s risk of autism using a strand of hair or a mother’s blood, but critics say they ...

Habit tracking isn’t about perfection. It’s about awareness, flexibility, and learning what helps you show up consistently.