News tagged with tides

Astronomers discover a new black hole in our galaxy

(Phys.org)—NASA's Swift satellite recently detected a rising tide of high-energy X-rays from a source toward the center of our Milky Way galaxy. The outburst, produced by a rare X-ray nova, announced the ...

Oct 05, 2012
4.5 / 5 (13) 14 | with audio podcast

What are tidal bores?

Surfers and spectators gathered along the Severn Bore in Gloucestershire, England, in recent days to take advantage of the tidal wave that swept upstream. What's known as a tidal bore – a wave of up to ...

Mar 05, 2014
4.2 / 5 (9) 0

When hungry, Gulf of Mexico algae go toxic

When Gulf of Mexico algae don't get enough nutrients, they focus their remaining energy on becoming more and more poisonous to ensure their survival, according to a new study by scientists from North Carolina ...

Mar 12, 2013
4.7 / 5 (3) 1 | with audio podcast

How red tide knocks out its competition

New research reveals how the algae behind red tide thoroughly disables – but doesn't kill – other species of algae. The study shows how chemical signaling between algae can trigger big changes in the ...

Jun 04, 2014
4 / 5 (1) 1

Electric Moon jolts the solar wind

(Phys.org) -- With the Moon as the most prominent object in the night sky and a major source of an invisible pull that creates ocean tides, many ancient cultures thought it could also affect our health or ...

May 30, 2012
4.7 / 5 (7) 1 | with audio podcast

Robot monitors toxic red tides

A robotic device suspended under the ocean surface from a buoy off the New Hampshire coast is monitoring seawater for evidence of the red tide, clusters of microscopic plants that release toxins into fish ...

May 24, 2012
5 / 5 (1) 0 | with audio podcast