Iran reopened and then abruptly closed the Strait of Hormuz within 24 hours as a ceasefire expires in days and nuclear talks remain deadlocked. The IMF downgraded global growth projections due to Middle East disruptions and energy market shocks. A major new climate study warns the Atlantic's critical ocean current is weakening far faster than previously thought, raising the risk of a tipping point by mid-century.

Iran opened the Strait of Hormuz to shipping on Thursday, then shut it down again by Friday, citing a continued U.S. blockade as a ceasefire violation. The economic fallout is mounting: U.S. inflation spiked in March driven by gas prices, and consumer sentiment just hit its worst level in 74 years. Plus, two lawmakers resign before expulsion votes, RFK Jr. concedes the measles vaccine saves lives, and electrons in graphene behave like a frictionless liquid.

A federal jury in Manhattan ruled that Live Nation and Ticketmaster unlawfully monopolized the ticketing market, controlling nearly 90 percent of major U.S. venues. Netflix beat earnings but signaled slowing growth and Reed Hastings won't seek board re-election. Meanwhile, peace talks with Iran collapsed as the blockade costs $400 million daily, and Israel and Lebanon entered a fragile ten-day ceasefire.

Pakistan's Army Chief is in Tehran pushing for a second round of talks before the U.S.-Iran ceasefire expires on April 22, though three major sticking points remain unresolved. Snap is laying off about a thousand employees, explicitly crediting AI efficiency as the reason—a milestone moment as Wall Street signals corporate America should follow. Plus the Justice Department blocks the contempt inquiry into Venezuelan deportations, and Amazon makes a $12 billion bid to compete with SpaceX's Starl…