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• Soup's on 

  Knowing whether you're hungry or sated should be a classic case of gut intuition. Yet a recent study of eating habits showed that people don't pay...

  Natural History, 06/01/05 by T.J. Kelleher · More from publication

• Rosy past 

  11,000,000,000 B.C.--In the universe, as in Rome, ancient history is all around us. The cosmic microwave background, which formed as soon as the...

  Natural History, 05/01/05 by T.J. Kelleher · More from publication

• Kindred strokes for different folks 

  Greek or Latin, Hebrew or Mongolian, Tagalog or Tamil, most of the writing systems devised throughout human history are at heart surprisingly...

  Natural History, 04/01/05 by T.J. Kelleher · More from publication

• The quartermaster's challenge 

  Feeding the troops was just as important to the armies of ancient Rome as it is to the modern armies in Iraq. Grain, grain, and more grain was the...

  Natural History, 02/01/05 by T.J. Kelleher · More from publication

• Shipbuilders of medieval Malabar 

  Since antiquity, mariners have sailed the Indian Ocean and dropped anchor along the southwest coast of Malabar, now the southern Indian state of...

  Natural History, 12/01/04 by T.J. Kelleher · More from publication

• Red shifts 

  Deep inside Earth, at the outer core, electric currents circulate through molten metal, giving rise to the magnetic field that envelops our planet....

  Natural History, 10/01/04 by T.J. Kelleher · More from publication

• Breaking up is hard to time 

  Ever since plate tectonics began to gain acceptance in the 1960s, investigators have been trying to deduce the distribution of landmasses and...

  Natural History, 09/01/04 by T.J. Kelleher · More from publication

• As the whirl turns 

  Liquid water apparently vanished long ago from the surface of Mars, but the planet still has lots of other water locked up in the ice at its poles....

  Natural History, 07/01/04 by T.J. Kelleher · More from publication

• Pass the dinner rolls 

  It's not likely to grace the table of your favorite restaurant anytime soon, but a greasy substance known as "bog butter" has long been found...

  Natural History, 06/01/04 by T.J. Kelleher · More from publication

• Smells like home 

  SMELLS LIKE HOME Fish and houseguests supposedly stink after three days. Yet in that same interval, the parasitic wasp Polistes sulcifer can take...

  Natural History, 03/01/02 by T.J. Kelleher · More from publication