AlistairCharlton writes "A petition campaigning for Twitter to improve its measures against online abuse has received more than 55,000 signatures in two days. The petition was set up in support of feminist campaigner Caroline Criado-Perez, who faced a torrent of abusive tweets, including threats to rape and kill her, after successfully campaigning for a woman's picture to appear on a banknote; Jane Austen will appear on £10 notes from 2017."
Today's scientific question is: What in the world is electricity?
And where does it go after it leaves the toaster?
-- Dave Barry, "What is Electricity?"