Specialty Digest

DISCOVER IDEAS THAT SHAPE OUR WORLD

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Science

The latest Specialty Digest coverage in Science.

Science

Business
World in a Day cover, Tuesday, October 6, 2026

World in a Day: Tuesday, October 6, 2026

WORLD IN A DAY · TUESDAY, OCTOBER 6, 2026 Energy and war collided today: Saudi Arabia’s oil chief warned the world’s spare fuel supply has grown scarily thin, even as rival forces in Yemen gave conflicting accounts of who now controls one of the planet’s busiest shipping straits. Elsewhere, Stockholm’s Nobel committee honored the scientists

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Business
World in a Day cover, Wednesday, October 7, 2026

World in a Day: Wednesday, October 7, 2026

WORLD IN A DAY · WEDNESDAY, OCTOBER 7, 2026 Power consolidated and institutions strained today: a $110 billion merger put CNN and CBS News under one owner the same week France shut down its high schools to quell the biggest student uprising in decades. BUSINESS Paramount Skydance Completes $110 Billion Warner Bros. Discovery Merger, Uniting

World in a Day: Wednesday, October 7, 2026 Read More »

History
Replica of the spherical Sputnik 1 satellite with four long antennas, on display at the National Museum of the United States Air Force.

This Day in History, October 4: Sputnik 1 Opens the Space Age

Specialty Digest · Visual Stories This Day in History October 4 1957 Sputnik 1 Opens the Space Age A beeping metal sphere launched from a desert in Soviet Kazakhstan convinced the United States, almost overnight, that it was losing a race it had not known was underway. Replica of Sputnik 1, Missile & Space Gallery,

This Day in History, October 4: Sputnik 1 Opens the Space Age Read More »

A beeping metal sphere launched from a desert in Soviet Kazakhstan convinced the United States, almost overnight, that it was losing a race it had not known was underway.

Science
Infographic explaining why solar eclipses happen, the umbra and penumbra, the four eclipse types, the path of totality, and safe eclipse-viewing tips

The Science Behind the Eclipse of the Sun

Solar eclipses look like magic, but they come down to simple geometry: the Sun, the Moon, and Earth lining up in a single, precise moment. This week’s Visual Bite breaks down why eclipses happen, why they don’t occur every month, the four types you can witness, and how to watch one safely. Graphic: Specialty Digest

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A rare alignment. A spectacular sight. A powerful reminder of how our solar system works.

History
Full-disk photograph of Neptune, deep blue with visible cloud bands, taken by NASA's Voyager 2 spacecraft.

This Day in History, September 23: Humanity Discovers Neptune

Specialty Digest · Visual Stories This Day in History September 23 1846 Humanity Discovers Neptune A mathematician who never once looked through a telescope pointed two astronomers at an empty patch of sky, and they found a planet nobody had ever seen. NASA / Voyager 2, Great Images in NASA (GPN-2000-000443) · Public Domain What

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A mathematician who never once looked through a telescope pointed two astronomers at an empty patch of sky, and they found a planet nobody had ever seen.

Business
World in a Day cover, Wednesday, September 23, 2026

World in a Day: Wednesday, September 23, 2026

WORLD IN A DAY · WEDNESDAY, SEPTEMBER 23, 2026 Diplomacy and defiance shared the same day’s stage: Xi Jinping touched down in Washington for his first US visit in a decade, hours before Recep Tayyip Erdogan’s UN floor speech sent Israeli diplomats walking out of the General Assembly hall. Leadership Update: Xi Lands in Washington

World in a Day: Wednesday, September 23, 2026 Read More »

Business
World in a Day cover, Tuesday, September 22, 2026

World in a Day: Tuesday, September 22, 2026

WORLD IN A DAY · TUESDAY, SEPTEMBER 22, 2026 Six stories worth five minutes: two separate AI-safety pacts take shape on opposite sides of the world within the same day, a severed cable freezes air traffic across the Northeast, and Cambodia opens the gates of its largest scam compound to the press. Technology Severed Fiber

World in a Day: Tuesday, September 22, 2026 Read More »

Business
World in a Day cover, Thursday, September 17, 2026

World in a Day: Thursday, September 17, 2026

WORLD IN A DAY · THURSDAY, SEPTEMBER 17, 2026 Two long-running stories reached their conclusions today: the Federal Reserve’s first rate hike since 2023, and a Swedish election that flipped direction for the second time in two days. Elsewhere, three rival AI labs admitted they have been comparing safety notes, and a fossil ignored in

World in a Day: Thursday, September 17, 2026 Read More »

Science
occams razor hero

Occam’s Razor: The Simplicity Principle That Guides Scientific Discovery

A doctor sees a patient with a cough, a fever, and fatigue. There are two ways to explain it: one illness causing all three symptoms, or three unrelated problems that happen to be striking at once. Most of the time, doctors are trained to look for the first explanation before reaching for the second. That

Occam’s Razor: The Simplicity Principle That Guides Scientific Discovery Read More »

Seven hundred years after a medieval friar argued for cutting away unnecessary assumptions, his principle now quietly shapes how doctors diagnose, physicists choose theories, and machines learn from data.