Museum Menagerie: Historical Photos of the Construction of Early Wildlife Exhibits [Slide Show]
In honor of Darwin's birthday, we take a look back at diverse species being readied for display at the American Museum of Natural History
Readers Respond to "Toxins All Around Us" and Other Articles
Letters to the editor from the October 2011 issue of Scientific American
Swept from Africa to the Amazon
What the journey of a handful of dust tells us about our fragile planet
1,300-Year-Old Flask Holds Mayan Tobacco Remains
A chemical analysis found evidence of nicotine in a Mayan flask dating back to A.D. 700. Sophie Bushwick reports
Lives in Ruins: A New Diagnosis for Diseased Ancient Bones
During an archaeological dig in Butrint, Albania, Michigan State University (M.S.U.) anthropologist Todd Fenton was busy classifying human bones by age and sex when he discovered several skeletons that were dramatically different from the others.
World's Only Known Natural Quasicrystal Traced to Ancient Meteorite
A theoretical physicist searched for years to find the only known natural occurrence of an exotic type of structure, the discovery of which netted the 2011 Nobel Prize in Chemistry
Readers Respond to "Bigger Cities Do More with Less" and Other Articles
Letters to the editor from the September 2011 issue of Scientific American
Some Species Face "Move or Die" Scenario under Climate Change
Birds, snakes and other species must shift ranges to adapt to climate change
DNA Experts and Forensic Genealogists Team Up to Solve Alaskan Mystery
New fingerprint- and DNA-identification techniques solve a mystery from a 60-year-old plane crash
Pilots Brave Snow, Grizzlies to Find 1948 Plane Wreckage
Half a century after Northwest Airlines Flight 4422 slammed into the side of 4,950-meter Mount Sanford in eastern Alaska's Wrangell Mountains, killing all 30 men on board, commercial pilots Kevin McGregor and Marc Millican found the wreckage embedded in a glacier.
Audio Slide Show: Pilots Scale Alaska Glacier to Find Wreckage of Northwest Airlines Flight 4422
Archaeology Research in Egypt Struggles to Restart
As the country struggles to refashion its government, archaeologists are looking warily towards the future.