Gum

SLATE, OCTOBER 27, 2015

What Are Those Hot Pink Globes Popping Up Around London?

Drum

SLATE, SEPTEMBER 16, 2015

What Are Those Drumlike Objects Perched on Buildings?

Lamppost

SLATE, JULY 31, 2015

What’s That Thing Hanging From Lampposts and Power Lines?

Window Hole

SLATE, MAY 29, 2015

Why are there holes in airplane windows?

Road Markings

SLATE, APRIL 22, 2015

The Infrastructure of the Intranet

Arrow

SLATE, MARCH 10, 2015

Where All the Arrows Point

Airplane Tail

SLATE, FEBRUARY 5, 2015

Mysteries of the Airplane's Tail  

Road Sign

SLATE, DECEMBER 11, 2014

The Visitors Arrive in New York

Sidewalk Markers

SLATE, NOVEMBER 11, 2014

What Do These Mexico City Sidewalk Markers Mean?

Umbrella

SLATE, SEPTEMBER 22, 2014

Umbrellas in Singapore

Road Sign

SLATE, AUGUST 18, 2014

What Does This Beloved Road Sign Actually Mean?

Road Trip

SLATE, JULY 2, 2014

Making Road Trips Greener

Totem

SLATE, JUNE 20, 2014

New Jersey's Roadside Mysteries

Gunk

SLATE, MAY 16, 2014

The Stuff of the Subway

Asterisk

SLATE, APRIL 18, 2014

The Blue Asterisk

Elevator Hole

SLATE, MARCH 4, 2014

What’s That Thing? The Hole in the Elevator Door

Road Bump

SLATE, JANUARY 23, 2014

What’s That Thing? Things that Go Bump in the Night

Conductor

SLATE, JANUARY 21, 2014

The State of Classical Music

Trees on Buildings

SLATE, DECEMBER 19, 2013

What Is a Tree Doing on Top of That Construction Site?

Plane

SLATE, NOVEMBER 27, 2013

What’s That Thing? Thanksgiving Airplane Travel Edition

Utility Pole

SLATE, OCTOBER 30, 2013

What’s That Thing? Utility Pole Edition

Eye Bolt

SLATE, SEPTEMBER 5, 2013

What’s That Thing? Bumper Circles Edition

Movie Theater

SLATE, AUGUST 13, 2013

These Are Taken

Snow Fences

SLATE, AUGUST 1, 2013

What’s That Thing? Roadside Fence Edition

Knife and Fork

SLATE, JUNE 26, 2013

Put a Fork in It

America

SLATE, JUNE 20, 2013

The Measure of America

Doorway Symbol

SLATE, JUNE 19, 2013

What’s That Thing? Doorway Symbols Edition

Diogenes and Plato

SLATE, JUNE 6, 2013

How to Sell Philosophy

Plastic Wrap

SLATE, MAY 20, 2013

What’s That Thing? Tin Foil Box Edition

Toilet Seat

SLATE, APRIL 23, 2013

What’s That Thing? U-Shaped Toilet Seat Edition

Truck Fins

SLATE, APRIL 3, 2013

What’s That Thing? Truck Fins Edition

Cricket

SLATE, FEBRUARY 13, 2013

Namibia’s Most Horrifying, Fascinating Wildlife

Ballot

SLATE, JANUARY 19, 2013

The Election Disaster That Wasn’t

Packaging

SLATE, JANUARY 8, 2013

What’s That Thing? Puzzling Packaging Edition

City Steam

SLATE, NOVEMBER 23, 2012

What’s That Thing? City Steam Edition

Lump on a Wire

SLATE, NOVEMBER 1, 2012

What’s That Thing? Lump on a Wire Edition

Airline Bag Tag

SLATE, OCTOBER 4, 2012

The Beauty of the Airline Bag Tag

Convenience Store

SLATE, SEPTEMBER 17, 2012

What's That Thing? Convenience Store Edition

Memorial

SLATE, SEPTEMBER 10, 2012

Do You Have a Photo ID, Young Man?

Switch

SLATE, AUGUST 20, 2012

What’s That Thing? Wall Socket Edition

Wedding Cake

SLATE, AUGUST 2, 2012

I, Mark, Take You, Mark…

Fire Gate

SLATE, JULY 24, 2012

What’s That Thing? Fire Gate Edition

License Plate

SLATE, JUNE 26, 2012

The Curious Rise of Specialty License Plates

Elevator

SLATE, JUNE 25, 2012

What’s That Thing? Elevator Button Edition

Doodad

SLATE, JUNE 7, 2012

What’s That Thing? Pastoral Doodad Edition

Gizmo

SLATE, MAY 24, 2012

What’s That Thing? Ominous Gizmo Edition

Massachusetts

SLATE, MAY 14, 2012

Don’t Mess with Massachusetts

Dashboard Arrow

SLATE, MAY 9, 2012

What’s That Thing? Dashboard Arrow Edition

Eruv

SLATE, APRIL 24, 2012

What's That Thing? Mysterious Wires Edition

Appliances

SLATE, APRIL 6, 2011

We're No. 1!