Geckos, tiny dinosaurs, cave man couture, and more
Males No Longer Needed
An ant native to Central and South America has done away with males, researchers in Texas and Brazil confirm. Scientists suspected that Mycocepurus smithii reproduces asexually; new tests show that queens don't use sperm to fertilize their eggs. Without males to keep the gene pool diverse, though, the ants could accumulate enough mutations to go extinct.
Learn more about the ant Mycocepurus smithii at the Encyclopedia of Life.
The Oregon Trail: A New American Journey [Rinker Buck] on Amazon.com. *FREE* shipping on qualifying offers. Instant New York Times Bestseller * #1 Indie Next Pick * Amazon and Apple Best of the Month "Absorbing...Winning...The many layers in The Oregon Trail are linked by Mr. Buck's voice
The Smithsonian is a repository of America's history, achievements, aspirations, and identity. It holds the artifacts of great leaders, and those of ordinary Americans. It houses scientific specimens and technological wonders. It is home to art, music, films, writings-a vast treasure trove of objects of extraordinary beauty and outstanding design.