Posts by 

Shireen Gonzaga

How a Venus flytrap knows when to shut

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

Alpha Centauri, the star system closest to our sun

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

Mirach is guide star to 3 galaxies

Mirach in the constellation Andromeda helps stargazers locate the Andromeda Galaxy, the Triangulum Galaxy, and "Mirach's Ghost" (NGC 404).

Emperor penguins are good dads

Emperor penguins are some of the most exceptional dads in nature. They endure the harshest winter conditions on Earth for their offspring.

Surtsey, volcanic island, emerged in 1963

On November 14, 1963, volcanic island Surtsey rose from the sea. Scientists have since studied the natural colonization of plants and animals on it.
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 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 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.