Taxonomy term

april 2014

Where on Earth? - April 2014

Clues for April 2014:

1. The low rolling hills seen in the mid-ground of this photo are ripple marks formed when an ice dam impounding an enormous glacial lake gave way sometime between 15,000 and 12,000 years ago, unleashing a massive flood that scoured the landscape all the way to the Pacific Ocean.

The trouble with turtles: Paleontology at a crossroads

Turtles are the last big vertebrate group to be placed firmly on the tree of life, and the arguments are getting messy. Scientists in three fields in particular — paleontolgy, developmental biology and microbiology/genomics — disagree about how, and from what, turtles may have evolved. 

31 Mar 2014

Scientists go to extremes to monitor Arctic permafrost loss

Researchers are studying coastal erosion in the Arctic — where sea-ice extent has recently reached record lows, permafrost soils are rapidly thawing and the coast is retreating at an astonishing rate of 15 meters per year, more than double the rate of several decades ago.

24 Mar 2014

Down to Earth With: Sally Jewell

Most people who find their way into public office start locally, perhaps by running for a seat on the school board or city council. Sally Jewell’s first foray into public service came at the behest of President Obama, who last year nominated her as the 51st Secretary of the Department of the Interior (DOI) — the first Secretary in more than a decade with a background in geoscience.

28 Jan 2014

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