The world set yet another monthly heat record in January, despite an abnormally chilly U.S., a cooling La Nina​​ and predictions of a slightly less hot 2025, the European climate service Copernicus ...

Unlike better-known metrics such as the heat index, wet-bulb globe temperature illustrates how sun and wind also affect people’s ability to stay cool. Most metrics assess only temperature and ...

and the molecules in the water move slower (decreasing temperature). When fast-moving atoms or molecules hit slower-moving atoms or molecules and increase their speed, heat is transferred. This ...