Posts by 

Shireen Gonzaga

Human World

Poison mushrooms: How to tell

A popular adage among mushroom foragers is, “you can eat any mushroom ... once.” Some wild mushrooms are poisonous and will make you sick. A few can kill.

What is Earth’s Ring of Fire?

The Ring of Fire is a region of very active seismic activity - with most of Earth's volcanoes and earthquakes - caused by interacting tectonic plates.

What is the age of Earth?

Our planet does not give up its age easily. Scientists studied the oldest rocks from our planet and solar system to figure out Earth's age.

How a Venus flytrap knows to snap shut

The fly, attracted to nectar on a strange leaf shaped like an open clam, was about to have a really bad day. Fly, meet the Venus flytrap.

How jellyfish swim

Check out the videos in this post to see the hypnotic pulse of swimming jellyfish. Their gentle movement belies a complex flow of water that make these creatures highly energy-efficient swimmers.

Earliest known honey jars in Africa are 3,500 years old

An ancient people with a sweet tooth - the Nok culture of sub-Saharan Africa - used terracotta pots to hold honey 3,500 years ago. They may be the earliest confirmed honey collectors in Africa.

Beta Centauri is a Southern Pointer Star

Beta Centauri isn’t as famous as Alpha Centauri, but together, these brilliant Southern Hemisphere stars have inspired legends and guided mariners.

Alpha Centauri, star system closest to our sun

Our closest stellar neighbors are the 3 stars that make up the Alpha Centauri system. They lie just over 4 light-years - about 25 trillion miles or 38 trillion km - away.

Mirach is guide star to 3 galaxies

Mirach, a bright star in the constellation Andromeda, is often used by stargazers to locate the Andromeda Galaxy, the Triangulum Galaxy, and a galaxy known as Mirach's Ghost (NGC 404).

Emperor penguins are good dads

On this Father’s day, a special shout-out to one of the most exceptional dads in nature, emperor penguins. They endure the harshest winter conditions on Earth for their offspring.