Philippe Matthews Show Guru Advice, Author Reviews, Tech Reviews, Entertainment News

A magnetic sense is now well documented in dozens of animal species. It turns out that tracking the geomagnetic field that same invisible thing that points compasses is handy for life, in lots of situations

A magnetic sense is now well documented in dozens of animal species. It turns out that tracking the geomagnetic field that same invisible thing that points compasses is handy for life, in lots of situations. Using their internal compasses, naked mole rats in Africa navigate their pitch-black underground mazes.

The March 2011 Tohoku-Oki earthquake that decimated Japan and its Fukushima nuclear reactors with a monster tsunami altered the seafloor off the country’s eastern coast much more than scientists had thought. Analysis released today in the journal Science indicates the ocean bed moved as much as 50 meters laterally and 16 meters vertically. The magnitude 9.0 quake occurred close to the nearby Japan Trench that runs north to south in the Pacific Ocean (dark blue line on the map below).

Wave Power Hinged cylinders anchored in the seafloor are pushed by waves, turning onshore turbines that create electricity (Orkney, Scotland) [More]