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
Why Do Cats Like Catnip?
Are they really getting "high," or is there scientific logic behind cats' love of catnip?
How the Deadliest Parasite Became So Lethal
A fascinating look at an evolutionary jump a micro-organism made from one way of life to become one of the most brutal parasites the world has ever known.
This Is the Loneliest Tree in the World
This is a sad story of the world's loneliest tree, the Encephalartos woodii that resides in London's Royal Botanic Gardens
Beautiful Nature: The Tadpole Migration
This is the story of one of the greatest migrations, while also being one of the tiniest ones...
Ever Seen a Monkey Play Pong With Its MIND?
You're about to see TWO incredible things in this video.
These Rare Mushrooms Can Glow In the Dark
Only about 70 mushroom species out of 14,000 have this beautiful and rare ability.
Australia Has Some of the Cutest Wildlife in the World!
Australia has many deadly animals, but did you know it's also filled with fluffy, adorable wildlife? Warning: You may want to fly to Australia and hug some animals after this post.
Photographer Captures Myriad Moods of Stunning Big Cats
Observing big cats from up close is rare. Here are some brilliant big cat portraits that take you real close to these magnificent animals.
I Bet You've Never Seen Animals Like These Before!
From a pink dolphin to a brown panda, you have probably never seen these weird and rare variations of animals.
Jaw-Dropping Photos: The Wonderful Lives of Ladybugs
Here are some wonderful photos of ladybugs in their natural habitats. I always feel a childish wonder and thrill when can coax one onto my hand.
These Cute Bat Photos Will Change Your Perception of Them!
These adorable photos of bats will change your perception of them forever!
Are These the Coolest 70 Year Olds Ever?
These women have made their livelihoods by hunting sea snakes on the coast of their island.
The Most Adorable Otter Ever Will Teach You About Otters
This little orphaned river baby otter is so cute, you'll never want to stop watching it. But if you do, you'll learn all about otters while accompanying on his little day. Are you ready to learn about otters?
The Adorable Babies of 10 of the Most Feared Predators
Although we'd prefer not to come close to predatory beasts, their babies are so cute and hard to resist!
Inspired Gardening: The Most Beautiful Garden Quotes
Gardening is more than just a hobby - it's a quality that teaches us and inspires. Here are 12 heartwarming quotes that will inspire your gardening.
Beautiful: How Your Dog Sees You Vs. How You See Yourself
Although we can feel down in the dumps about ourselves sometimes, our dogs will always keep their faith in us and see us as their heroes.
The Wonders of the Maasai Mara in 10 Award-Winning Photos
Prepare for the wildlife adventure of a lifetime!
Ever Seen Flowers as Gorgeous as These?
Nature really does create some extraordinary, colorful flowers. Check out a wide selection of them here!
These Are Definitely the Oddest Couples I Could Imagine...
These strange couples destroy all my previous notions about animal relationships.
This Flower Gets Its Name From the Animal It Resembles
These beautiful orchids are not man made, although they may seem like it to us.
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.
These 40 Beautiful Birds Were Perfectly Photographed
40 great bird photographs taken in Taiwan by the well-known Taiwanese photographers John and Fish
New From Nature: 11 New Animal Species Discovered in 2022
Today, we will acquaint you with 2022's 11 newly discovered species of animals and delve into the reasoning behind their distinctive names.
Australia Is Home to Some of the World’s Cutest Animals
Australia is home to most living marsupials, a family of mammals unlike any other on earth.
The Unchallenged Beauty of 14 Waterfalls Worldwide
Admire the beauty and power of 14 picturesque waterfalls from every corner of the planet
Roses Are Even More Beautiful After Reading These 10 Facts
The rose evokes sentiments of love, romance and relationships, but there are some things about them that I never even imagined. Read these impressive rose facts
A Royal Beast: Celebrating the Beauty of the Horse
These stunning photos and beautiful quotes about horses made me remember how much I admire them.
Hilarious! Someone's Gonna Get Fired for This...
I've never seen so many pictures that seem too perfect to be real as here!
Who Needs Superheroes When We Have These Dogs?
Take a look at the extraordinary stories of five remarkable dogs who save lives and stop crimes.
A Most Beautiful Exploration of the Ocean Floor
Dive far below the ocean, all the way to its bottom below the great frozen continent of Antarctica.
There Are Awesome New Dog Breeds in the World...
21 of the most adorable new canine cross breeds.
This Video Proves That Pigs Are Both Cute and Hilarious!
These pigs have the ability to melt your heart, but they often end up making you scream with laughter in the process!
WOW! How Can These Places Be Real? (18 Pics)
Enjoy this breathtaking collection of pictures of the most beautiful places on our planet.
7 Fascinating Natural Phenomena Science Can’t Explain
From the Great Blue Hole in Belize to the Sailing Stones in CA, this video will introduce you to 7 natural phenomena science isn't fully able to explain.
The Most Amazing Facts About the Powerful Tiger!
If lions are kings, then tigers are emperors. Get to know the largest of all big cats with some very fascinating facts.
Have You Seen a Predator as Tiny and Adorable as This?
The Fennec Fox is the world’s smallest fox. Want to know more about this cute animal? Watch this video.
17 Utterly Beautiful Photos of Japan's Cherry Blossoms
The sight of blooming cherry blossoms is synonymous with springtime Japan. Take a look at these beautiful photos to remind you what a wonderful season this is.
11 Adorable Polar Animals that Will Warm Your Heart
Adorable animals of the north and south poles
Equestrian Grace: 15 Majestic Horses in Icelandic Scenery
These photographs of beautiful horses in Iceland by Petra Marita look like beautiful paintings.
Dr. Hodges - The Vet That Cures Exotic Cute Pets
In this video, we meet Monty, the pet axolotl. It's his first visit to the Vet!
These Beautiful Bird Photos Are Beyond Incredible
The Bird Photographer of the Year Awards receives some of the most stunning examples of bird photography. Here are some of those.
These X-ray Photos of Pregnant Animals Will Intrigue You
A collection of X-rays taken of pregnant animals.
These Animal Facts Are Both Adorable and Interesting
Twenty fascinating animal facts that we bet you never knew about!
Nature's Brilliant Blues Will Brighten Your Day
We live on the 'blue planet', underneath a blue sky, but instances of blue elsewhere is actually quite rare. Here are some of the most beautiful examples.
This Stunning Bird of Prey Video Will Leave You in Awe!
Be humbled by the extreme beauty of these birds of prey in their natural environment.
These Beautiful Animal Stories Will Touch Your Heart
Animals are an infinite source of inspiration for all of us, and these touching stories will give you renewed hope in life and maybe even make you shed a tear.