The vast majority of documented cases of plant cancer have been caused by external pathogens, such as bacteria, viruses, or pests. They can't get cancer from carcinogens like the sun's radiation or air pollution.
There are two common forms of cancer in trees. One causes crown galls and is triggered by the bacterium Agrobacterium tumefaciens. You've probably seen this at least once in your life, it looks somewhat like this:
Crown gall on a eucalyptus/Source
9 Myths About Mushrooms BUSTED For Good
Can we eat mushrooms raw or must we cook them first? Do they all have medicinal properties? And how can they help with cancer?
Why Do Cats Like Catnip?
Are they really getting "high," or is there scientific logic behind cats' love of catnip?
This Sea Creature Can Live a Whole Year Without Food!
We're taking a look at some interesting sea creatures that can photosynthesize like plants.
These 10 New Species Were Only Discovered in 2018!
From creatures the size of office blocks to those that are only visible when viewed under a microscope, the 10 newly-discovered species are wonderful!
How Do Wild Animals Survive Winter Without Shelter?
Learn all the genius biological mechanisms animals use to survive winter in the wild - without central heating or warm socks.
7 of the World's Oldest LIVING Organisms
Some creatures are such skilled survivors they live on the brink of immortality. Today, we will see 7 such creatures.
Inspiring Wildlife Photos From Europe’s Top Photographers
Check out the amazing winners of the European Wildlife Photographer of the Year 2024.
Watch These Flowers Bloom in a Celebration of Color
This video brings out the most beautiful aspect of flowers in gorgeous detail and allows us to enjoy one of nature's most beautiful gifts - the blooming of flowers.
Monster of the Deep? Nope, Just a Pigeon-Eating Fish!
The Wels Catfish isn't your average fish. It has a taste for pigeons!
2025 Nature Photography Awards: 17 Stunning Winners
The 2025 World Nature Photography Awards winners will leave you speechless.
The Crystal Waters of Fiji Are Pure Underwater Heaven
There are few waters more beautiful than the crystal clear waters of Fiji.
You Have to See These 18 Hybrid Animals to Believe Them
I'd never even heard of a liger, a zonkey or a beefalo. But these pictures go to show that they actually exist - in real life!
Admire the Never Ending Beauty of the Rocky Mountains
Rocky Mountain National Park is one of the most beautiful and awe-striking natural wonders of the USA - take a tour through this must-see location in this video.
15 Photos That Show Why There’s Nothing Purer Than Nature
Take a look at some of the best winning images of nature from the 2020 Tokyo International Foto Awards.
Award-Winning Nature Photos That Left Us Amazed (15 Pics)
Check out the awe-inspiring winners of the 2024 Nature’s Best International Photography Awards.
18 Gorgeous Fish You've Got to See!
The oceans hold countless amazing creatures, such as these 30 fish considered the most beautiful in the world...
16 Award-Winning Photos That Capture Birds in Action
Check out the outstanding winners from the SINWP Bird Photographer of the Year 2024 competition.
The Fascinating Origins of 11 Lovely Flower Names
There is no better time than spring to dive headfirst into the fascinating world of flower name etymologies! Here are the origins of the names of 11 lovely flowers.
See How Japan's Nature Changes with the Seasons
These photos depict the purest forms of nature in Japan. And they are stunning!
Have You Seen These Rare and Stunning Albino Animals?
Albino animals are extremely rare to be found. Here is a a look at some of the most stunning albino animals you would have ever seen.
These Beautiful Endangered Butterflies are a Joy to Behold
These exotic butterflies are extremly rare and placed high atop the endangered species list, but will fill your eyes with color and wonder.
Meet the Mysterious Flightless Bird of New Caledonia
The kagu is one of the most curious birds in the animal kingdom.
Animal Leanring: How Cats Apologize to Humans
Many people think cats don't know how to apologize or feel regret. However, cats harbor a depth of emotions that might surprise you.
Pigeons Have Played a Massive Role in World History
Pigeons are one of the most common birds in the world, but they're utterly underrated. In fact, they have played a huge role in world history. Find out more...
Come Meet Archaeopteryx, the Most Ancient of Birds!
In this video, we’ll explore the discovery of Archaeopteryx, its unique anatomy, and the role it plays in understanding how flight evolved.
Why Is This Japanese Island Full of Rabbits?
The Japanese island of Okunoshima is inhabited almost exclusively by rabbits, but why?
7 Surprising Animals That Have The Ability To ‘Fly’
Here's a look at some unique and surprising members of the animal kingdom that have developed the ability to fly through the air.
These Birds Haven't Changed in 44 Million Years...
Come with David Attenborough as he explores the Congo for these incredible and ancient species of birds.
Stunning Dogs in Their Natural Environments
These photos capture dogs amid Austrian wilderness. And the results are truly magical, capturing some enchanting portraits. Take a look for yourself.
Feline Lesson: Do Cats Think They Own You?
Do cats think they own their owners? Watch this video to find out.
Ocean Showdown: Orcas Take on Humpback Whales
There's a reason why orcas can never get along with humback whales...
Cute Cheetah Cubs Take Their First Try at Hunting!
These young cheetahs take their first leap towards adulthood by trying to hunt down a speedy rabbit.
This Bird is a Masterful Trickster When It Comes To Feeding
The Drongo bird is one of nature's greatest tricksters. Watch this video to find out how it tricks meerkats into bringing food to it.
You Won’t Believe Who Built These Nests!
Did you know that insects are great architects? Take a look at some of the most amazing insect homes.
There is So Much Wildlife to See in the Amazon Forest
Let's visit one of the wildest places on earth, full of color and sound.
Intimate Glimpses of Foxes, Birds, and Elk in Nature
Check out these stunning close-up wildlife photos by Finnish photographer Ian Granström.
Stunning Flowers and Inspiring Quotes to Brighten Your Day
Take a moment to enjoy the colorful beauty of astonishing flowers and the inspiring words of those who love them.
Introducing Henry, the Oldest Crocodile in the World
Meet Henry, the world's oldest and largest Nile crocodile we know of.
7 Uncommon Trees You've Probably Never Seen Before...
Trees are often underappreciated. Here we present to you some of the most unusual yet fascinating trees from around the globe.
The Complete Guide to Flower Etiquette!
Flowers are perfect for every event. This guide explains when to gift the perfect flower.
When a Tiny Octopus and a Gentle Man Form a Friendship
This video is not only sweet, but shows how intelligent and curious an octopus can be.
Nature Is Amazing: African Wildlife Reveals its Beauty
Join us as we explore the beauty that is African wildlife.
What is a Tamandua? 8 Adorable But Incredibly Rare Animals
Watch 8 incredibly cute and exotic mammal species interact with each other as you learn about them and their habitat
Inside a Red Fox's Den, You Will Find... Cute Baby Foxes!
Watch a family of fox babies grow from cuddly grey balls of fur into playful little pups. We must say, it's one of the cutest things we ever did see!
These Have Got to Be Some of the World Strangest Plants
In this world there are pretty plants and then there are talented and bizarre plants. These 12 plants definitely fall into the latter category.
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