News tagged with topography

New theory for magnetic stripes on Mars

(PhysOrg.com) -- A controversial new theory has been proposed to explain a series of stripes of permanently magnetized minerals containing iron in the Martian crust. The magnetized stripes, which have alternating ...

Jun 28, 2010 report
4.8 / 5 (15) 3 | with audio podcast

What's causing Australia's heat wave?

Australia has started 2013 with a record-breaking heat wave that has lasted more than two weeks across many parts of the country. Temperatures have regularly gone above 48°C, with the highest recorded maximum ...

Jan 18, 2013
5 / 5 (14) 9

Adios El Nino, Hello La Nina?

(PhysOrg.com) -- The moderate El Nino of the past year has officially bowed out, leaving his cool sister, La Nina, poised to potentially take the equatorial stage.

Jun 22, 2010
4.5 / 5 (11) 13 | with audio podcast

New research sheds light on freak wave hot spots

Stories of ships mysteriously sent to watery graves by sudden, giant waves have long puzzled scientists and sailors. New research by San Francisco State professor Tim Janssen suggests that changes in water depth and currents, ...

Aug 05, 2009
4.3 / 5 (9) 6

Saddle collapse behind rapid sea level rise

Researchers from the University of Bristol in the United Kingdom have uncovered the mystery behind the rapid sea level rise in the past by using climate and ice sheet models. Funded in part by a Marie Curie ...

Sep 20, 2012
5 / 5 (7) 8

Rethinking surface tension

(Phys.org) —If you've ever watched a drop of water form into a bead or a water strider scoot across a pond, you are familiar with a property of liquids called surface tension.

Aug 30, 2013
4.9 / 5 (7) 0 | with audio podcast