NASA's Parker Solar Probe came within 3.8 million miles of the sun's surface on December 24, its closest approach ever.

Enzymes catalyze nearly all of the chemical reactions that occur in biological systems. Enzymes are generally proteins but also include catalytic DNA and catalytic RNA. As effective biological ...

Dec. 9, 2024 — Researchers found that adolescents with more symptoms of gaming addiction showed lower brain activity in the region involved in decision-making and reward processing; this blunted ...