The Arctic is warming almost four times faster than the rest of the planet. High temperatures are already causing the ...

In biology, enzymes have evolved over millions of years to drive chemical reactions. Scientists from the Max Planck Institute ...

Chemical reactions in which heat energy is given out are described as exothermic, and those in which heat energy is taken in are endothermic. $$ \text{Mg}(s) + \text{H}_2\text{SO}_4(aq) \rightarrow ...