Good morning. It's Saturday, April 11, and in this weekend edition, we're covering the conclusion of a historic lunar mission, a bloody feud between chimpanzees, and much more. First time reading? Join over 4.7 million insatiably curious readers. Sign up here.
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Artemis II's four astronauts splashed (w/video) about 50 miles off the coast of San Diego just after 8 pm ET yesterday, concluding a roughly 10-day trip around the moon.
The Orion capsule reentered Earth's atmosphere at roughly 25,000 miles per hour, enduring temperatures up to 5,000 degrees Fahrenheit—roughly half the heat of the sun’s surface. The successful landing was a relief for some experts who questioned whether the spacecraft's heat shield would stand up against such extreme heat. An identical shield used during the uncrewed Artemis I mission in 2022 suffered unexpected damage upon reentry (w/photos). NASA engineers subsequently revised Artemis II's reentry path to minimize the astronauts' exposure to the heat. Future spacecraft will have different heat shields.
NASA will next turn to Artemis III, a 2027 mission to test lunar landers in Earth's orbit ahead of Artemis IV in 2028, which is expected to land humans on the moon.
Do you live in southern California? The US Geological Survey is asking anyone who heard a sonic boom between 5 pm and 5:15 pm PT yesterday to report it here. |
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Surging gas prices lead to biggest monthly inflation spike in four years.
The annual inflation rate hit 3.3% in March compared with a year earlier, according to a Labor Department report published yesterday. The jump—almost a full percentage point above February's pace—was largely driven by a 10.9% surge in energy costs tied to the Iran war. Excluding food and energy, core prices in March rose 2.6% from a year earlier and 0.2% from February. See a 101 on how inflation works, here. |
Two hundred chimpanzees are waging a civil war in Uganda.
Scientists published evidence this week of a possible civil war within the world's largest known group of wild chimpanzees that has killed at least seven adults and 17 infants. A disease outbreak and a change in social hierarchies triggered by the deaths of key elders likely led the population to split into three distinct groups: the Western, Eastern, and Central chimps. Genetic evidence suggests such intergroup conflicts historically occurred every 500 years, but human activity could disrupt social cohesion and make them more frequent. |
Russia and Ukraine agree to 32-hour Orthodox Easter ceasefire.
The pause in hostilities begins at 4 pm local time today and lasts through the end of the day Sunday. It follows a proposal Ukrainian President Volodymyr Zelenskyy sent to the Kremlin via US negotiators. Russian President Vladimir Putin last year declared a 30-hour Easter ceasefire, which both sides accused the other of breaking.
How does Orthodox Easter differ from the Easter observed last Sunday? Learn here. |
Suspect arrested after Molotov cocktail attack on OpenAI CEO's home.
A 20-year-old man was arrested yesterday for allegedly throwing the incendiary device at Sam Altman's San Francisco home early yesterday morning. It sparked a fire at an exterior gate, but no injuries were reported. The suspect then allegedly went to OpenAI's headquarters, where he made threats to burn down the building. Charges against him are pending as of this writing. |
Women's immune systems change with age more than men's.
Women experience an increase in inflammatory immune cells as they age, offering a potential explanation for why nearly 80% of autoimmune diseases occur in women. The finding, published yesterday, comes from the first study of its kind to use equal samples from men and women, who have historically been underrepresented in such research. Scientists say the results could inform more personalized care as the global population skews increasingly older. |
WNBA approves expansion to Cleveland, Detroit, and Philadelphia.
The Cleveland franchise is set to begin play in 2028, followed by Detroit in 2029, and Philadelphia in 2030. These additions, along with expansions to Portland and Toronto this year, will grow the league to 18 teams. The 2026 season is scheduled to tip off May 8, following the signing of a new labor contract last month.
The WNBA began in 1997. Relive that first year, here (w/video). |
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Retiring pizza delivery driver receives over $145K in donations from strangers after a video of him going above and beyond goes viral. (More) |
Blind man begins an organization that makes it possible for others with low vision to build Legos independently. (More) |
Applebee's manager shelters customers from a tornado in the prep kitchen. (More) |
Virginia church donates over $1M to pay rent for families facing eviction from public housing units. (More) |
Bakery owner goes viral after enlisting his young children to voice-over his social media videos. (More, w/video) |
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In partnership with EnergyX |
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The Lithium Boom Is Heating Up |
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Today, we're sharing a story from reader Mel F. in Wyandotte, Michigan.
"I'd been cleaning dead leaves out of my flower beds for a couple of hours when two preteen girls called to me from the sidewalk. They live a block away, but we'd never met. They said they saw me working hard and thought I looked like I could use some lemonade. I was so surprised that I really didn't know what to say besides thank you! I downed [the lemonade in] that red Solo cup, and they skipped off. So observant and generous!"
Humankind(ness) is a reader-built corner of joy. So, what act(s) of kindness did you experience this week? Tell us here. And if this story made you smile—share our email (copy URL here). |
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Bookkeeping
> $5.34M: Average Major League Baseball salary on opening day, a new record.
> Over $570K: How much "Jeopardy!" contestant Jamie Ding has won on his historic victory streak.
Browse
> Queen Elizabeth II's closet is on display at Buckingham Palace.
> Rake your worries away in this virtual Zen garden.
> This golfer seeks to win his first Masters with a 3D printed club.
> If you like [insert artist], you may also like... (searchable database)
Listen
> Chocolate makers started using ingredients they legally cannot call chocolate.
Watch
> Every type of exoplanet, explained—from lava worlds to eyeball planets.
> Pro chefs blind taste test store-bought marinara sauce.
> Why children create imaginary friends.
Long Read
> Inside the cutthroat world of competitive jigsaw puzzling.
> If it happened to your deepfake, did it happen to you?
Most Clicked This Week: See Artemis II's jaw-dropping photo of the moon in shadow.
Historybook: Ethel Kennedy, philanthropist and widow of Bobby Kennedy, born (1928); Civil Rights Act of 1968 is signed (1968); Apollo 13 launches (1970); American novelist Kurt Vonnegut dies (2007). |
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“We will explore. We will build ships. We will visit again. We will construct science outposts. We will inspire—but ultimately, we will always choose Earth. We will always choose each other.” |
- Christina Koch, Artemis II astronaut |
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