Did you know that some animals sleep all winter to stay warm? When it is summer in some places, it is winter in others. Discover these and more intriguing facts in Seasons.

Cobras are known for the hoods on their heads. They use their hoods to scare away threats. Find out more in Cobras, one of the titles in The World of Snakes

Huntsman spiders are known for their size and speed. They get their name because they chase after their prey. Discover more in Huntsman Spiders, one of the titles in the Spiders series.

People experience the effects of Earth's orbit around the Sun every day. As Earth travels around the Sun, the planet's tilt causes different places to experience different seasons. Learn more in Earth and the Sun, a title in the Space Systems: Stars and the Solar System series.

Did you know that umami foods have a meaty flavor? Our sense of taste lets us enjoy many different flavors. Discover these and other interesting facts in “Taste”.

Did you know that pemmican was part of many Native American diets? It is made from a mixture of dried meat, animal fat, and erries or nuts. Learn more in Food, a title in the Cultures of America series.

Did you know that tinikling is one type of Filipino dance? In this dance, two dancers hop between two bamboo poles. Learn more in Dance, a title in the Cultures of America series.

Did you know that the Amish do not have church buildings? Instead, church services take place in different buildings in each community. Learn more in Places of Worship, a title in the Cultures of America series.

Coral reefs are home to a massive variety of plant and animal life. They are built from rocklike skeletons made by creatures called coral polyps. Learn more in Coral Reefs, part of the Aquatic Ecosystems series.

Lakes are bodies of water that are completely surrounded by land. They form in areas known as basins. Learn more in Lakes, part of the Aquatic Ecosystems series.