Your first impulse when you meet a new person is probably to trust them. Why wouldn’t you? You don’t know anything about them ...

Here they show that zebrafish fast-twitch muscle structure is sensitive to reduced myosin light chain dosage. The light chain mutants’ behavioral defects are mitigated by slow-twitch muscle ...

Matter is made up of small particles called atoms. Atoms can exist on their own or together as molecules. Atoms are very small and around 100,000,000 of them end to end would measure 1 centimetre.