The leaves of the common roadside milkweed plant are poisonous to people and most other creatures. Alongside many other plants, its leaf tissues contain cardenolide poisons as a natural defense.

by Jeffrey Tomkins, Ph.D., & Brian Thomas, M.S. *

Data storage technology has come a long way since punch cards. But the undisputed king of data density is still DNA. A team of scientists fit 70 billion copies of their genetics book—including page formatting instructions and images totaling 700 terabytes of data—into just one gram of DNA.