Trilobites: What Makes a Waterfall? Maybe It Forms Itself An experiment with a river built in a lab suggests that geological histories around the world may need to be rewritten. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:What Does It Cost to Create a Cancer Drug? Less Than You’d ThinkLotfi Zadeh, Father of Mathematical ‘Fuzzy Logic,’ Dies at 96Suicide Data Incorrectly Reported in Drug Trials, Suit ClaimedThe Monster Surge That Wasn’t: Why Irma Caused Less Flooding Than ExpectedTrilobites: What Swims Like a Duck and Quacks Like a Duck Could Be a Hybrid of Two Duck SpeciesFor One Hedge Fund, a Bet on the Affordable Care Act Sours