Environment

Gold nuggets are gold pieces which occur naturally.

May 20, 2018 05:07

Ice drilling allows scientists to retrieve samples of ice from deep within ice sheets and glaciers.

May 18, 2018 17:54

The Chandelier Tree is a famous coast redwood tree in Leggett, California.

May 18, 2018 17:18

A fruit salad tree refers to a tree that is specially grafted to bear several different but related fruits.

May 18, 2018 16:53

These fish are some of the world's weirdest and more interesting.

May 18, 2018 16:18

Earth is the only planet where there is (gaseous) oxygen.

May 18, 2018 16:01

There are three extant species of sperm whale.

May 18, 2018 15:33

Temperature is a means of measuring heat.

May 18, 2018 15:00

Biogeographical realms are large areas of land in which organism have evolved over long periods of time in relative isolation.

May 18, 2018 12:51

The Albany Adder snake joins the list of thought-to-be-extinct species that were rediscovered.

May 18, 2018 12:06

There are 11 US National Forests in the state of Idaho.

May 18, 2018 10:59

There are only two extant species of alligator: the American alligator and the Chinese alligator.

May 18, 2018 10:57

An ice shelf is a floating platform of ice.

May 18, 2018 10:51

In terms of destructive potential, hurricanes are more destructive than tornadoes.

May 18, 2018 08:04

An equinox occurs when the sun is closest to the equator.

May 18, 2018 08:02

Worms are invertebrate animals.

May 18, 2018 07:14

Humans are similar to members of the Great Ape family.

May 18, 2018 02:36

Birds are believed to be some of the most beautiful creations of nature, and these brilliantly colored birds are evidence of that.

May 17, 2018 17:46

There are 15 extant species of baleen whale.

May 17, 2018 08:22

Although these species are commonly called whales, they are in fact species of dolphins.

May 17, 2018 08:21