
Four Million U.S. Children Had No Health Insurance in 2024. Some Will Die of Cancer
A recent analysis showed the rate of uninsured children in the U.S. grew from 2022 to 2024. Experts say this could lead to more pediatric cancer deaths.

Four Million U.S. Children Had No Health Insurance in 2024. Some Will Die of Cancer
A recent analysis showed the rate of uninsured children in the U.S. grew from 2022 to 2024. Experts say this could lead to more pediatric cancer deaths.
RNA Might Have Formed Naturally on Early Earth, Seeding Life
These Hummingbirds Joust Like Medieval Knights—Even to the Death
Spellements: Monday, December 15, 2025

A Hobbit Mystery Is Solved, 2025 Nears a Climate Record, and Refusal of Vitamin K for Newborns
Trump Officials Keep Comparing the U.S.’s Vaccine Schedule to Denmark’s. They’re Missing the Point
The History of America Can Be Told through Christmas Trees
Why Humanoid Robots Still Can’t Survive in the Real World

Mars Sample That May Contain Evidence of Life Might Never Come Home
Can Digital Ghosts Help Us Heal?
Create as many words as you can!
Stretch your math muscles with these puzzles.
Inside the Empire of AI: Karen Hao on Power, Ideology and Environmental Costs
NASA’s Perseverance Rover Faces New Uncertainty on Mars
Puppy Power, Vaccines under Fire, Satellite Warning
Is There New Hope for Treating Postpartum Depression?

Health Experts Slam Possible FDA ‘Black Box’ Warning for COVID Vaccines
The FDA is reportedly considering the addition of high-level warning labels to COVID vaccines, a move that some experts say may cause unfounded concerns over safety

Chernobyl Nuclear Plant’s Protective Shield Has Been Damaged for Months
The site of the world’s worst nuclear disaster remains damaged, but so far, radiation levels outside the plant have not increased, according to officials

How Dark-Fleet Ships Use A Digital Trick to Disappear—And How to Find Them
An oil tanker seized by the U.S. this week reportedly used a technique that scrambled its location, but new advanced visual tracking can help expose such ships’ true coordinates

Trump Officials Keep Comparing the U.S.’s Vaccine Schedule to Denmark’s. They’re Missing the Point
The U.S.’s and Denmark’s health systems are starkly different, so it makes sense that their vaccination schedules would differ, too

Why Humanoid Robots Still Can’t Survive in the Real World
General-purpose robots remain rare not for a lack of hardware but because we still can’t give machines the physical intuition humans learn through experience

These Hummingbirds Joust Like Medieval Knights—Even to the Death
The sharp, elongated bills of green hermit hummingbirds aren’t just fine-tuned for feeding; they also allow males to joust like knights over mates