STEM in the Nation's Capital

Profiles, interviews, and features on the science shaping D.C. — reported, edited, and designed by the students at the front of the room.

Featured Stories from The Catalyst.

Exploring groundbreaking research and the brilliant minds driving innovation in D.C. and beyond.

From the Archive

Dig through profiles, features, and interviews from our contributors' back catalog.

By Section

Discover stories that spark your curiosity.

In-depth explorations of groundbreaking research and innovations shaping our world.

Meet the scientists and innovators driving discoveries in the D.C. area and beyond.

Candid conversations with leading experts sharing their journeys and insights.

Thoughtful perspectives and op-eds on pressing issues in science and society.

Challenge Yourself

A new riddle of language and meaning — only the sharpest minds will unlock the Winners' Lounge.

New Puzzle · Issue No. 02

A four-line verse hides a single, ordinary answer in plain sight. Read carefully — the words themselves are the clue.

I am the beginning of eternity,
the end of time and space,
the beginning of every end,
and the end of every place.

What am I?