Deanna Conners

Which insects have the worst stings?

Some of the most painful stings come from tarantula hawk wasps, warrior wasps, and bullet ants.

Why Earth has 4 seasons

Some assume our planet’s changing distance from the sun causes the change in the seasons. That’s logical, but not the case for Earth.

Hurricane Hanna shrinks Gulf of Mexico dead zone

The Gulf of Mexico dead zone is much smaller than usual this year because Hurricane Hanna stirred up the area of low-oxygen water.

cloud-streets-bering-sea-20jan2006-300

What are cloud streets?

Cloud streets are a manifestation of Earth’s atmosphere in motion. They’re mostly seen by satellites looking down on Earth, but people sometimes catch them from the ground, too. Check out these cool images!

Dark Sky Sanctuary established in New England

Katahdin Woods and Waters National Monument in Maine was certified as a Dark Sky Sanctuary on May 8, 2020.

Colorful bursts in night sky with text annotations.

How do fireworks get their colors?

Many, perhaps most, fireworks displays have been canceled in 2020 due to the pandemic. Still, it’s fun to contemplate the fact that the beautiful colors in fireworks – so good at stirring our emotions – are created by chemistry.

Photo of stars above the Sahara

Will large parts of Earth be too hot for people in 50 years?

Inhospitably hot regions on Earth occupy about 0.8% of the globe now. New research indicates that – if greenhouse gas emissions continue unabated – these regions may expand to something more like 19% by 2070.

A hurricane off the U.S. Eastern seaboard.

How do hurricanes get their names?

The World Meteorological Organization manages the formal system by which hurricanes receive their names. Find hurricane names for 2020 here.

How to spot ISS in your sky

Learn to watch ISS moving silently and steadily across your night sky, and think of the 2 astronauts currently making their way there.

Photograph of a Lohmann Brown hen by Konstantin Nikiforov

What are zoonotic diseases and what can we do about them?

Infectious diseases that leap from animals to humans are called zoonotic diseases. Covid-19 is an example of a zoonotic disease caused by a coronavirus.