Can we turn back time? Ask a savvy physicist, and the answer will be “it depends.” Schemes for retrograde time travel abound but usually involve irreconcilable paradoxes and rely on outlandish ...

Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can't see through it, even though the water is clear. But ...

Light physical activity was significantly associated with a lower risk of death in CKM syndrome stages 2, 3, and 4. A one-hour increase in light physical activity each day was associated with a 14% to ...

Rigorous exercise before bed has long been discouraged, but University of Otago researchers have found short bursts of light activity can lead to better sleep. In a world first study, published in BMJ ...

Increased sedentary time in childhood can raise cholesterol levels by two thirds as an adult, leading to heart problems and even premature death -- but a new study has found light physical activity ...