Early Earth was a horrible place for Life because of UV radiation

Earth has had a long and complex history since its formation roughly 4.5 billion years ago. Initially, it was a molten ball, but eventually, it cooled and became differentiated. The Moon was formed from a collision between Earth and a protoplanet named Theia (probably), the oceans formed, and at some point in time, about 4 …

10 Amazing Honey Badger Facts

Honey badger (scientific name: Mellivora capensis), also known as ratel has a well-earned reputation of being a very fierce, feisty, and brave little mammal. Although barely a foot (30.5 cm) tall, they have a reputation for attacking just about anything – from venomous snakes to full-grown lions. Here are 10 amazing honey badger facts.

Hydroelectric dams take a toll on endangered big cats, study shows

Big cats are among the most widespread top predators on Earth. Lions stalk zebra in the African savanna, tigers ambush antelope in the forests of Asia and jaguars hunt deer in the jungles of South America. They play an important role in ecosystems by regulating the numbers of these herbivores, in turn, reducing the deterioration …

How to Save and Revive Dying Trees

Just like other living organisms, trees can get sick and die of disease if they’re not cared for properly. Fortunately, there are steps you can take to relieve the stress your trees are experiencing and protect their long-term health. Injured trees exist on a spectrum from stressed to dying. Unfortunately, once your tree is dying, …

10 Amazing Great White Shark Facts

The great white shark (scientific name: Carcharodon carcharias) is one of the most feared beasts in the world’s oceans. They are also known as simply the “great white”, white pointer, white shark, or white death. They can be found in the coastal surface waters of all the Earth’s oceans. Here are 10 amazing great white …

Why do leaves change color in the fall?

Plants are green because their cells contain chlorophyll (a green pigment, see notes 1) inside little structures called chloroplasts. Chlorophyll is green because it absorbs other wavelengths of light, but reflects the wavelength that we see as green. That’s why most plants are green, including trees and grass. Those wavelengths that the chlorophyll is absorbing? …