(21) results in Blog

PIA17202_-_Approaching_Enceladus

May 2, 2016

Europa and Enceladus: Searching for Life on Icy Moons

We hear a lot about the prospect of microorganisms existing on Mars and probes of increasing complexity that will be going there in the years to come, but the life search will also examine the outer...

A model of the double helix structure of  DNA. (Wikimedia Commons)

April 25, 2016

The secret of life revealed: Today in science history

On April 25, 1953, the “secret of life” was revealed in a short article in Nature that began, “We wish to suggest a structure for the salt of deoxyribose nucleic acid (D.N.A.). This structure has novel...

A Tyrannosaurus rex skeleton on display at the American Museum of Natural History. (Credit: Eqdoktor, Wikimedia Commons)

April 3, 2016

Tyrannosaur tracks show scientists how fast an ancient predator could move

Just north of the town of Glenrock, Wyoming, a stretch of ancient yellow sandstone is studded with a killer’s footprints. About 66 million years ago, a Tyrannosaurus rex strode through the wet sand of what was...

Pictogram_pi

March 14, 2016

Celebrating All Things Pi on 3/14

There’s no better time to celebrate the magic of mathematics than Pi Day, which of course is on 3/14. Called by some the geekiest day of the year, Pi Day (also Albert Einstein’s birthday) is a great...

(c) New York Times

February 27, 2016

Research in the Classroom: Taking Action

The idea of conducting research can instill fear in many who are unfamiliar with its many varieties. Particularly in science-related areas, it’s easy to conjure images of white-coated, protective-goggle-wearing individuals hunkered over Erlenmeyer flasks waiting for...

A carved relief of the Babylonian god Marduk. (Credit: Rmashhadi/Wikimedia Commons)

February 20, 2016

The ancient Babylonians calculated Jupiter’s position long before NASA

To the ancient Babylonians, the planet Jupiter was more than a bright light in the Mesopotamian night sky: It was the celestial manifestation of their god, Marduk. Jupiter’s location told of Marduk’s plans for them, such...

Katherine Johnson (1918-), mathematician, at her desk with a "Celestial Training Device." (Credit: NASA)

February 1, 2016

Celebrating African Americans in STEM: Katherine Johnson

To celebrate National African American History Month, we applaud Katherine G. Johnson, a living legend in the fields of math, physics, and space science. A lifelong love affair with numbers brought Johnson from a small town...

800px-Ocean_surface_wave

January 5, 2016

A bright future powered by clean energy: Three projects to watch in 2016

Industrial waste is converted to gasoline, drinking water powers a city, and ocean waves supply an electric grid – these are just some of the advances in green energy that made news in 2015. Let’s take a...

Footfalls of large mammals, propagating along the surface of the earth as Rayleigh waves, are measurable in the ground at varying distances depending on the energy of the signal.  ©O’Connell-Rodwell, C.E. (2007). Keeping an "ear" to the ground: Seismic communication in elephants. Physiology, 22(4), 287-294.

November 4, 2015

Shake and quiver: Vibrational communication in animals

Living underground, moles experience a world very different from our own. The dark, subterranean environment lacks the usual cues for direction, distance, or time, forcing moles to use other methods to perceive their habitat. Using senses...

Artist's rendition of a primitive ocean on Mars.
©NASA/GSFC

October 19, 2015

Water, Water, Everywhere

We’ve long known that water was present in the atmosphere of Venus and that frozen water is trapped in the polar ice caps visible on Mars. However, it seems that there have been a slew of...