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Fossilized vocal organ ma...

You have probably heard how a dinosaur should sound from one of the movies you have watched. But in reality, we really don't know how they soun

Basking Shark

The basking shark is the second biggest shark species after the whale shark. But it's teeth are tiny. It feeds by scooping up microscopic plank

Yard Birds - Anna's Hummi...

Learn about birds commonly found in North American suburbs. In this post we look at Anna's Hummingbird.

A Gargoyle Shark: The Gob...

The Goblin Shark is a rare creature of the deep. It has a long flat snout lined with sense organs that detect electrical impulses from prey.

The Vanishing Angel Shark

The Angel Shark(also known as the Monkfish) was once common in coastal areas
of the northeastern Atlantic and Mediterranean. It has a wide

Long Live the Greenland S...

According to a new study by the University of Copenhagen, the Greenland Shark
is thought to have a lifespan of at least 272 years, probabl

The Weird and Wonderful W...

Most of us think of sharks as fast, sleek, and ravenous predators. But some are odd-looking, interesting, and not terribly dangerous. The Wobbegong

What's a Doppler Effect?

Explanation of the Doppler Effect concept

What are Cepheids?

Definition of Cepheids, their subclasses, and important astronomical concepts they have helped us discover.