Nothing to Bite On By Erik StokstadJan. 4, 2002 Ancient jawless fish may not have all been ruthlessly evolving
Extinctions Heal Slowly By Liese GreensfelderJan. 3, 2002 Biodiversity can decline fast but is slow to recover, study finds
Ancient Technique Modernizes Mammalian Family Tree By Elizabeth PennisiDec. 14, 2001 Placental mammals' evolutionary history redrawn, quartered
Molecular Clocks Not Exactly Swiss By Menno SchilthuizenSep. 28, 2001 DNA-dating of evolution may not be possible after all
Death Comes to the Hermaphrodites By Josh GewolbSep. 7, 2001 Predatory weevils with a taste for bisexual flowers shape a plant species
Slug Sex Shocker By Menno SchilthuizenSep. 6, 2001 Even hermaphrodite mating behavior may be driven by sexual selection
Elephant Species Splits in Two By Gretchen VogelAug. 23, 2001 Wide genetic gap divides forest- and savanna-dwelling populations
Land Plants' History Rewritten By Elizabeth PennisiAug. 9, 2001 DNA pushes back the age of the first plants
New Clues to Malaria's Origin By Elizabeth PennisiJul. 20, 2001 Study traces parasite's origins to the dawn of agriculture
Autumn Leaves, a Secret Sign? By Jay WithgottJul. 16, 2001 Brilliant foliage may advertise trees' resistance to pests
Fossils From the Dawn of Humanity By Michael Balter, Ann GibbonsJul. 11, 2001 New find may represent the earliest known human ancestors
Salamanders Stretch Themselves Thin By Jay WithgottJun. 27, 2001 Ideal body shape for burrowing evolved twice independently
Malaria: a Young Scourge By Martha DownsJun. 25, 2001 Genetic study suggests killer started worldwide march less than 12,000 years ago
Fungi Had Rocky Relationship By John PickrellJun. 21, 2001 Many fungi once partnered as lichens but became independent
The Tiniest Mammal Ancestor By Erik StokstadMay. 25, 2001 195-million-year-old relative was no bigger than a paper clip