Specialty Digest

Global English edition Learners’ Study Dashboard — in development

Digest News Feed

Digest News Feed

Every Specialty Digest Story, One Feed

All of our reporting and essays, across every department, in a single reverse-chronological stream. Filter by section to narrow it down.

Nature

Why Do Some Animals Glow in the Dark?

Animals glow because of a chemical reaction called bioluminescence, and they’ve evolved to put that light to very different uses…

September 2, 2026
Nature

How Deep Is the Ocean, Really?

The ocean averages about 3,682 meters deep — roughly 12,080 feet, or more than two miles down — according to…

September 2, 2026
Nature

Why Are Rainbows Curved?

Rainbows are curved because every rainbow is actually a full circle, and the arc people see is only the portion…

September 2, 2026
Nature

How Do Animals Hibernate?

True hibernators survive winter by dropping their metabolism, heart rate, and body temperature far below normal and staying in that…

September 2, 2026
Page 1 of 2 Older →