- First footage of white giraffes posted by Hirola Conservation Program in north eastern Kenya
- First successful gene editing in human embryos to repair disease-causing mutation reported by scientists in "Nature"
Great Britain's Prince Philip aged 96 makes his final solo public appearance before retiring from public engagements
- More than a billion people around the world need glasses and 36 million are blind, according to new study published in "The Lancet"
- New larger crypto-currency Bitcoin Cash created
US President Donald Trump signs legislation imposing sanctions on Russia, limiting his ability to ever lift them