Christmas Cactus vs. Thanksgiving Cactus: What the Schlumbergera?

Christmas Cactus vs. Thanksgiving Cactus: What the Schlumbergera?

Our Top Reads

10 'Hypoallergenic' Dogs (No Dog Is Completely Allergen-Free)

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Where Did Christianity Originate From?

By Lena Thaywick

What Is a Group of Fish Called? Not Always a School

By Nico Avelle

10 K-pop Girl Groups Taking the Scene by Storm

10 K-pop Girl Groups Taking the Scene by Storm
10 States With Most Jobs in Tech, Healthcare, and Tourism

10 States With Most Jobs in Tech, Healthcare, and Tourism
Who's the Most Powerful Doctor in the World? 5 Top Contenders

Who's the Most Powerful Doctor in the World? 5 Top Contenders
What Is a Baby Deer Called? (Aside From Adorable)

What Is a Baby Deer Called? (Aside From Adorable)

Try Our Crosswords, Riddles and Puzzles!

Can You Solve This Riddle?

Can You Solve This Riddle?
Play Our Crossword!

Play Our Crossword!
Can You Solve This Riddle?

Can You Solve This Riddle?

In the News

The Copperhead Snake Is Seldom Lethal But Always Venomous

April 13 By Zach Taras, John Perritano

Rube Goldberg: The Man Behind the Ingenious Contraptions

April 10 By Stell Simonton

Oedipus Complex: Digging Into Freud's Controversial Theory

April 10 By John Donovan

Neuschwanstein Castle: The Real Story Behind the Fairy-tale Fortress

April 10 By Dave Roos

The Ring of Fire Is the Pacific's Volcanic Hotspot

April 10 By Mark Mancini

What Is Zionism and Is It Fueling the Palestinian-Israeli Conflict?

April 9 By Dave Roos

How to See and Delete Your Google History

How to See and Delete Your Google History
What Does It Mean When Someone Says 'That's Just Semantics'?

What Does It Mean When Someone Says 'That's Just Semantics'?

Did You Hear?

5 Places That Will Pay You To Move There (Including 1 in Italy)

5 Places That Will Pay You To Move There (Including 1 in Italy)
What Is a Group of Elephants Called?

What Is a Group of Elephants Called?
Finding the Cheapest Houses in the USA

Finding the Cheapest Houses in the USA
7 Best Anime Games: Beyond Your Average Gotcha Game

7 Best Anime Games: Beyond Your Average Gotcha Game
7 Ugliest Bird Species: Evolutionary Qualities That Aren't So Pretty

7 Ugliest Bird Species: Evolutionary Qualities That Aren't So Pretty

Science

Indigo Children: New Age Trend or Undiagnosed ADHD?

Indigo Children: New Age Trend or Undiagnosed ADHD?
What Would a Yellowstone Eruption Mean for North America?

What Would a Yellowstone Eruption Mean for North America?
From Bigfoot to Nessie, There's a Cryptid for Every Nagging Fear

From Bigfoot to Nessie, There's a Cryptid for Every Nagging Fear
Aztec Achievements: Crafting a Legacy of Innovation

Aztec Achievements: Crafting a Legacy of Innovation

Culture

Januarius, Februarius, Mars, Aprilis? How Each Month Got Its Name

Januarius, Februarius, Mars, Aprilis? How Each Month Got Its Name
Hey Dad! The Famous Fathers Quiz

Hey Dad! The Famous Fathers Quiz
11 of the Biggest Lies in History

11 of the Biggest Lies in History
Grammar Rules on When to Use a Semicolon

Grammar Rules on When to Use a Semicolon

Animals

The Cheetah Is a Rare Daytime Hunter Among Big Cats

The Cheetah Is a Rare Daytime Hunter Among Big Cats
The Pink Fairy Armadillo Is as Mystifying as Its Name

The Pink Fairy Armadillo Is as Mystifying as Its Name
What Are the World's Smartest Pets and Animals?

What Are the World's Smartest Pets and Animals?
How Do Tardigrades Reproduce? Several Ways, It Turns Out

How Do Tardigrades Reproduce? Several Ways, It Turns Out

Auto

Why Syncing Traffic Lights May Not Reduce Congestion

Why Syncing Traffic Lights May Not Reduce Congestion
How Torque Converters Work

How Torque Converters Work
Why Can't You Pump Your Own Gas in New Jersey?

Why Can't You Pump Your Own Gas in New Jersey?
12 Celebrities Who Were Also Serious Race Car Drivers

12 Celebrities Who Were Also Serious Race Car Drivers

Editor's Picks

The Sun Spider Is an Arachnid but Not an Actual Spider

The Sun Spider Is an Arachnid but Not an Actual Spider
Did You Know There Are 23 Countries in North America?

Did You Know There Are 23 Countries in North America?
The Richest Family in the World Heads a Massive U.S. Chain

The Richest Family in the World Heads a Massive U.S. Chain

A River Runs Through It

The 9 Longest Rivers in the World: From the Nile to the Congo

The 9 Longest Rivers in the World: From the Nile to the Congo
Eco Engineers: 5 Animals That Can Reshape Earth's Waterways

Eco Engineers: 5 Animals That Can Reshape Earth's Waterways
River-bottom Bones: The Strange World of Underwater Fossil Hunting

River-bottom Bones: The Strange World of Underwater Fossil Hunting

Get Your Garden On

How 'Lasagna Gardening' Helps Create Healthy Soil

How 'Lasagna Gardening' Helps Create Healthy Soil
How Composting Works

How Composting Works
Companion Planting: The Do's and Don'ts of Growing Plants Together

Companion Planting: The Do's and Don'ts of Growing Plants Together

Deserts of the World

5 of Earth's Highest Deserts

5 of Earth's Highest Deserts
10 Largest Deserts in the World

10 Largest Deserts in the World
Hunting for Martians in the Most Extreme Desert on Earth

Hunting for Martians in the Most Extreme Desert on Earth