facebook boss mark zuckerberg has defended his company over allegations it put profits before the safety of younger users. a former employee turned whistleblower, frances haugen, said that the firm s products which include instagram and whatsapp have harmed children and weakened democracy. mrsuker mr suker berg later published on his blog that this painted a false picture. zuckerberg. scientists have discovered a new species of dinosaur that s related to the fearsome t rex but it was about the size of a chicken. the creature, called pendraig milnerae, lived more than 200 million years ago in what we now know as south wales and the bristol channel. it s a discovery that nearly didn t happen because of a filing error, as our science correspondent laura foster reports. it s a killer roughly the size of a chicken, and it existed tens of millions of years before more well known