An interstellar meteor, Crusader DNA and water on the moon: This week in space and science

(CNN)This week, scientists discovered the interstellar origins of a meteor that crashed into Earth in 2014, and DNA was extracted from the bones of 13th-century soldiers who fought in the Crusades. An interstellar visitor on Earth In 2014, a 1.5-foot-wide meteor crashed near Papua New Guinea. But this one traveled a long, long way to do so — from another solar system. Researchers were able to determine this because of its velocity. It was moving so fast that it was able to make it to our solar system after probably traveling tens of thousands of years. They don’t know how old it is, but it’s probably ancient and contains a combination of a time capsule and message in a bottle …

Start your Monday smart: NATO, Japan, Chicago, Brexit, college scam, Final Four

(CNN)Here’s what you need to know toStart Your Week Smart. TODAY March Madness: The Business Behind the Bracket MONDAY • It’s April Fools’ Day — your once-a-year chance to pull off the prank of the century. Who is Japan’s Emperor Akihito? (2016) • Let the Brexit ‘playoffs’ begin. Parliament is expected to vote on a short list of options for how the UK could abandon the European Union, including perhaps one that combines a customs union pact with a second referendum. Minus a deal, Britain is set to crash out of the EU on April 12 with dire financial consequences forecast. Trump isn’t the first to ask NATO to pay more • The Justice Department faces a Mueller report deadline. …

Start your Monday smart: Brexit, Manafort, #MyFreedomDay, climate protests

(CNN)If you forgot to set your clocks ahead, you might be running late already (but don’t be too hard on yourself)! Daylight saving time means another step closer to summer. Here’s what you need to know toStart Your Week Smart. TODAY DNC chair explains why Democrats won’t debate on Fox MONDAY • It’s March. That means Madness. College basketball is heating up as 32 conferences hold tournaments to decide which teams earn automatic bids to the 2019 NCAA tournament. Find schedules, brackets and scores here. Here’s what you need to know about Brexit WEDNESDAY • Paul Manafort gets sentenced (again). President Donald Trump’s ex-campaign chairman heads back to federal court, this time in Washington, where a judge found he broke his …