More Features
Big Thicket National Preserve: Pitcher Plants and Busy Bees
In the early 1800s, pioneers of Southeast Texas initially avoided Big Thicket. Its more than three million acres embraced dense forests, swamps, and...
BY: BRIAN THOMAS, PH.D.
Planetary Magnetism
Purpose In 1971, Dr. Thomas Barnes publicized a then “trade secret” of scientists studying the earth’s magnetic field, which...
BY: D. RUSSELL HUMPHREYS, PH.D.
Devils Tower: Mysterious Columns and Engineered Lichens
Many people have seen pictures of Devils Tower or visited the site in Wyoming. Very few of the 500,000 annual visitors, though, may understand the mystery...
BY: TIM CLAREY, PH.D.