ron ledbetter

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Stunning new theory of gravity suggests there's no such thing as dark matter

A new theory of gravity explains the way galaxies rotate without the need for the theoretical presence of dark matter, according to a renowned expert …

Dark Matter

Stretchy implants might stop untreatable pain - Futurity

New soft and stretchy wireless devices designed to treat stubborn pain could be implanted into parts of the body that move, like the intestines or …

Physiology

Starwatch: The September night sky

September’s only bright evening planet, Saturn, stands low down in the SW at nightfall where it shines at mag 0.5. It sets 30 minutes before our star map times to leave the sky devoid of bright planets until Mars and Venus appear in the E before dawn, soon to be joined by Jupiter.<p>The month’s early …

Astronomy

Islamic State atrocities feared at Palestinian camp in Syria

The Yarmouk refugee camp on the outskirts of Damascus was already an emblem of the enormous suffering unleashed by Syria’s<p>civil war— and that was before the militants of theIslamic Statemoved in.<p>Besieged, starved and bombarded over the past two years, the camp is the scene of fresh calamity, with …

Buenos Aires

Why China's Pollution Could Be Behind Our Cold, Snowy Winters

As the airborne particles turn: Across the globe, dust (red-orange) is lifted from land, sea salt (blue) swirls up from oceans, soot (green and yellow) rises from fires and sulfur (white) streams from volcanoes and fossil fuel emissions.<p>It's March. It's freezing. And there's half a foot of snow on …

Fossil Fuels

Hubble Telescope Spots an Emoticon in Outer Space

In the center of this Hubble Telescope image is the galaxy cluster SDSS J1038+4849 — and it appears to be smiling back at you.<p>The two orange eyes of …

Universe

This galaxy gives birth to 1,100 stars a year - Futurity

Astronomers have found a galaxy that is creating about three new stars every day—even though it shouldn't be.

Universe

Put trucks in their place: the right lane

The tyranny of truck traffic.<p>I spent my childhood on the East Coast, making snow caves in the fallout of the blizzard, waiting with my mother in the gas lines, idling in the sweltering traffic of the Beltway. My father bought a new MG in Baltimore, and I sat with him as the clenching of his furious …

New Jersey

Young Islamic State robs al Qaeda of militant prestige

DUBAI (Reuters) - In hiding, targeted by drone strikes and unable to land a blow in the West, al Qaeda’s ageing leaders are losing a power struggle with ultra-radical young militants in Iraq and Syria who see themselves as the true successors to Osama bin Laden.<p>A sign (in white) by the Islamic …