What is methamphetamine or 'crystal meth'?

Inside an illicit meth lab. Darwin Brandis/Shutterstock Ever been in love? You’ll know the rush. That’s chemistry at work. Our brain produces molecules such as 2-phenylethylamine, the mood enhancer also found in chocolate. But eating chocolate won’t make you fall in love – enzymes in your liver break it downContinue Reading

Social media helps reveal people's racist views – so why don't tech firms do more to stop hate speech?

GoodStudio/Shutterstock This article contains examples of racist, Islamophobic and threatening language Twitter has finally permanently removed right-wing commentator Katie Hopkins from its platform for violating its “hateful conduct” policy. Many would ask why it took so long for Twitter to ban someone with such a long record of offensive comments.Continue Reading