Fish supposedly evolved into people by gene mutations, but a recent report shows that mutations have disastrous effects.¹ Not only are individual genes essential, but when they are inhibited, entire gene networks are disrupted, resulting in severe growth and development problems in the organism.

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.

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.