Posts by 

Deanna Conners

The Female Bird Song Project

There's a false notion that female birdsong is rare in comparison to male birdsong. But lady birds sing, too. You can participate in a new project that aims to collect more recordings of female birds.

Audubon’s Christmas Bird Count starts December 14

Audubon’s Christmas Bird Count is one of the longest-running citizen science projects in existence. Here's how to participate.

How tiger sharks are helping seagrass

A heatwave in 2011 killed off seagrass beds in Shark Bay, Australia. Now, scientists have discovered that tiger sharks are helping the ecosystem recover.

Why do trees shed their leaves?

Trees shed their leaves in order to survive cold or dry weather. The trees pull in the nutrients from the leaves before the cells cut off the leaf.

Largest-ever Gulf of Mexico dead zone

For 32 years, scientists have tracked the oxygen-depleted waters that appear each summer in the Gulf of Mexico. This year's dead zone is the biggest yet.

These bees nest in sandstone

Rock is apparently no match for Anthophora pueblo bees. Scientists have found their sandstone nests scattered across dry lands in the U.S. Southwest.

Mount Hekla was called Gateway to Hell

Mount Hekla is Iceland’s 3rd most active volcano. A large eruption in 1104 earned it the moniker Gateway to Hell. Is Mount Hekla overdue for another eruption?

Clues to ancient earthquakes in caves

Stalagmites on the floors of caves in southern Indiana contain evidence of past earthquakes, scientists say.

Tallest peak in the US Arctic is …

No one knew whether Mount Chamberlin or Mount Isto was taller. Now an aerial study - and a ski mountaineer - declare a winner.

Man-made chemicals in deepest sea

Scientists have detected persistent man-made chemicals in crustaceans from the Mariana Trench and Kermadec Trench, deepest parts of the ocean ever sampled.