Good morning. It's Saturday, April 12, and in this weekend edition, we're covering Mexico's water debt to the US, a discovery tied to an ancient human relative, and much more. First time reading? Join over 4 million intellectually curious readers. Sign up here.
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Mexico is set to deliver an immediate shipment of water to Texas farmers to comply with pending obligations under an 81-year-old US-Mexico treaty, which outlines how water from the Rio Grande and Colorado River should be divided between the two allies. Mexican President Claudia Sheinbaum announced the delivery yesterday in response to US tariff threats and after the US, for the first time, denied Mexico's request for water delivery to Tijuana.
Under the 1944 treaty, Mexico must send 1.75 million acre-feet of water to the US from the Rio Grande every five years, with the current five-year cycle ending in October. Mexico owes roughly 1.3 million acre-feet of water to Texas—enough to supply a mid-sized city for roughly 30 years. An acre-foot of water is about 326,000 gallons and is enough to cover an acre of land that is about 1 foot deep or fill roughly half an Olympic-sized swimming pool. View water delivery data here.
However, Mexico, especially its capital, has been facing a multiyear drought fueled by the warming climate. While the treaty allows flexibility during droughts, US officials argue Mexico’s deliveries remain critically low.
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China raises retaliatory tariff on American goods to 125% from 84%.
The new tariff is set to go into effect today and comes after the US raised its cumulative tariff on Chinese imports to 145%. The world's two biggest economies haven't signaled any immediate plans for trade negotiations. China is expected to file another lawsuit with the World Trade Organization against the US tariffs. Trade between China and the US reached $583B last year, with a $295B US deficit. See an explainer on how tariffs could impact the US and global economy here.
Spanish Siemens executive and family killed in Hudson River crash.
Agustín Escobar, his wife, Mercè Camprubí Montal, and their three young children (all under the age of 11) were aboard the helicopter, along with the pilot, when it broke apart midair and crashed in the Hudson River Thursday. The family had been flying along a popular route showcasing the New York City skyline as part of a birthday trip for Camprubí Montal. See video of the crash here (warning—sensitive).
Separately, all three people aboard a small plane were killed Friday when the aircraft crashed in Boca Raton, Florida, due to mechanical issues.
Blue Origin's upcoming all-female spaceflight to launch Monday.
Jeff Bezos' Blue Origin NS-31 mission is set to be the first all-female spaceflight since 1963, when the Soviet Union’s Valentina Tereshkova became the first woman in space during a three-day solo mission. The crew will launch from West Texas and includes aerospace engineer Aisha Bowe, film producer Kerianne Flynn, activist Amanda Nguyễn, CBS Mornings host Gayle King, pop singer Katy Perry, and former TV host and Bezos' fiancée Lauren Sánchez.
Ancient jawbone found in sea linked to mysterious human ancestors.
A fossilized jawbone discovered off Taiwan's coast has been identified as belonging to a Denisovan, marking the first confirmed presence of this ancient human relative in Southeast Asia. The finding, based on protein analysis, expands the Denisovans' known habitat range from Siberia and Tibet to subtropical regions, highlighting their adaptability. Explore the human family tree here.
Epstein accomplice Ghislaine Maxwell appeals case to Supreme Court.
Maxwell, currently serving a 20-year sentence for aiding Jeffrey Epstein in the sexual abuse of underage girls, has petitioned the US Supreme Court to overturn her conviction, arguing she was protected by Epstein's 2007 nonprosecution agreement. Her appeal follows repeated rejections by lower courts, which ruled the deal applied only within Florida and didn't shield her from prosecution in New York.
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Have you checked out our different weekly deep dive emails? Here's what's on deck for 1440 Topics in the upcoming week:
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> Business & Finance: Thursday's deep dive explores Nvidia, from its origins in video games to billion-dollar AI behemoth. Sign up here.
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> Society & Culture: Next Saturday's newsletter jumps into the wild world of professional wrestling, from Middle Ages-era catch wrestling to Hulk Hogan. Sign up here.
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> Science & Technology: ... coming soon!
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Explore more than 150 Topics—from black holes to ancient Egypt, and more—here.
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Meet Jonny Kim, a Navy SEAL and Harvard doctor who, at 41 years old, is also a NASA astronaut. (More)
Pregnancy reveal at Disney World leaves a soon-to-be big sister in tears. (More, w/video)
Alabama couple seeks to build a set of houses for veterans and offers equine-empowered therapy to veterans who have PTSD. (More)
Idaho man becomes oldest man in the US to earn a law degree at age 74. (More)
Sunlight forms a heart inside a couple’s mausoleum in Brussels, symbolizing their eternal bond. (More)
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Today, we're sharing a story from reader Ward V. in Kalamazoo, Michigan.
"Our grandson celebrated his 10th birthday on April 1. The Saturday before his birthday, Mom & Dad hosted a pre-party for friends at a local bowling lane. After bowling, there was dinner at a local restaurant. The guest of honor got gifts, cards, etc. One of the cards had $5 in it, which he gave to Mom for safekeeping. A bit later, he asked Mom if he could have it back. When asked why, he responded, 'I want to give it to our waiter guy cause he's doing such an awesome job of caring for us.'"
What act(s) of kindness did you experience this week? Tell us here.
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