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
Extreme Alternative Agriculture: Growing Basil Underwater
Join us on a swim to Nemo’s Garden, a hydroponic garden at the bottom of the Mediterranean Sea.
Is It Possible For Humans To Ever Be As Fast As Cheetahs?
The average cheetah can run at a speed of 80 – 130 km/h (50-80 mph)! Why are humans so slow in comparison?
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.
These Rare Mushrooms Can Glow In the Dark
Only about 70 mushroom species out of 14,000 have this beautiful and rare ability.
Beautiful Flowers in All Shapes and Sizes - Incredible!
Let’s take a moment to contemplate and celebrate the beauty of nature by turning our attention to 15 outstanding flowers and plants across the globe.
The Aardwolf May Not Sound Cute, But it CAN Be...
Ever heard of an aardwolf? If the answer to this question is no, then prepare yourself for one of the cutest animals you’re ever likely to see.
INTERACTIVE: Click to See the English Tide Come and Go...
This interactive photo presentation lets you click on images taken by Michael Marten, and see the English tide coming in and going out.
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.
Witness the Beauty of Birds in This Gorgeous Collection
In this collection, we’ve compiled the very best bird photos we could find - from stunning birds or paradise to most exotic birds on Earth
There are So Many Reasons for Us to Love Penguins
Penguins are as beautiful as they are fascinating. Here is all you need to know about these wonderful birds...
Must Watch: The Invisible Miracles of Nature
This filmmaker takes you on an in-depth journey of the incredible expansive universes present in our universe.
These Ocean Species Look Like They're From Another Planet
These ocean species are unlike anything I've ever seen before.
Horse Kingdom: Exploring the 15 Most Stunning Horse Breeds
Many beautiful horse breeds have been developed over the course of the centuries, but some are more beautiful than others... Take a look.
Black Sand & Blue Seas Make These Beaches Spectacular
As beautiful as the beaches may be, there is something alluring and mysteriously beautiful about black sand beaches. Take a look.
These Rapid Blooming Flowers Will Brighten Your Day
This video of flowers blooming will brighten your day. So, go ahead, treat yourself to a few minutes of beauty and relaxation.
The Astonishing Story of the Horse Who Could Do MATH
One of the most mathematically gifted and famous animals ever known was Clever Hans - a horse who lived in Germany in the early 1900s
10 Vegetables and Plants You Can Grow in the Fall
Just because we're approaching fall it doesn't mean you should hang up your gardening gloves. There's still plenty of things you can plant in your garden.
Marvel at the Stunning Winners of Ocean Art Awards!
Marvel at the spectacular winning images from the 2023 Ocean Art Underwater Photo Contest.
Are These the Coolest 70 Year Olds Ever?
These women have made their livelihoods by hunting sea snakes on the coast of their island.
10 Amazing Facts of Nature that Are Too Weird to Believe
Bizarre natural phenomena, creatures, plants and minerals. Here are some amazing and interesting things courtesy of nature to astound you
14 Plants in the Most Artful, Unique, and Quirky Pots
These perfectly-paired pots and plants will light up any garden.
Take Flight With a Wonderfully Crisp Video of the Himalayas
If you ever wanted to see Mt. Everest up close but never had a chance, just sit back and enjoy this amazing video. It's almost like being there in person.
22 of Nature Photography's Most Exquisite Moments!
The NG website has a daily photo of the day page, from which we've selected 22 incredible examples of nature's undeniable and breathtaking beauty. Undoubtedly, you also deserve to enjoy these amazing pictures from the last few months.
15 Magical Animal Moments That’ll Make You Smile All Day!
Animals sometimes take on the role of "models" and provide photographers with the opportunity to capture wonderful moments of magic that simply warm our hearts.
Beautiful Nature: The Tadpole Migration
This is the story of one of the greatest migrations, while also being one of the tiniest ones...
Remarkable Winners of the Insect Week Photography 2023
Check out the amazing winning shots from the Insect Week Photography Competition.
These Flowers Capture a Starry Night On Their Petals
These wonderful flowers appear to have the night sky captured in their very petals. View some stunning photos of them and learn more about them.
These Horses Are Absolutely Gorgeous!
These eight beautiful horse breeds will canter their way straight into your heart.
These Transformations from Summer to Winter Will Amaze You
These stunning photographs show some of the world's most beautiful places before and after the arrival of winter. Check them out, you won't be disappointed!
10 Horses That'll Astound You With Their Beauty
Man and horse have had a natural companionship for centuries. Here are 10 of the world's most beautiful horses.
The Worst Earthquakes in History - a Nightmare Turned Real
On this list, we feature 9 of the most devastating and deadly earthquakes in history - in rising order according to the Richter scale.
How Well Do You Know Canada's 9 Wildest Animals?
Canada is home to some fascinating animals. Some are cuddly, some of dangerous, but all hold pride of place in the natural wonderland of Canada.
Meet Wisdom, the World's Oldest Known Wild Bird
Wisdom, a Laysan albatross, has survived tsunamis and raised over 40 chicks. And she’s still not done!
INTERACTIVE: 26 of the Cutest & Prettiest Animal Posts!
From pandas to bunnies, from tigers to hedgehogs, this interactive collection promises animal lovers a terrific time!
Dog History: How Humans’ Arch Enemy Became Our Best Friend
This is a brief, yet very eventful video about the history of our best friend, the dog.
Animal Kingdom: Meet the World’s Grumpiest Cat
Pallas’s cats are perhaps the most unusual wild cats of our planet.
The 8 Most Beautiful Bulbs to Plant in Spring
Here are the best spring flowering bulbs for your garden.
Unbelievable Photos from World Nature Photography Awards
Marvel at the incredible photos from the World Nature Photography Awards 2024.
Nature's Marvel: The Fascinating Biology of Seahorses
The seahorse is one of the most unique creatures of our planet. Let’s find out some interesting facts about its insane biology.
11 Incredible Animals with Even More Incredible Abilities!
Forget imaginary superheros and science fiction! These real animals have their own super powers and abilities such as camouflage, immortality and more!
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.
These Stunning Waterfalls Will Take Your Breath Away!
Waterfalls are a thing of beauty which never fail to impress! Check out 17 of the world's greatest waterfalls here!
Everything You Always Wanted to Know About Dogs!
How much do you know about our furry friends?