An unusual arrangement of leaves in a 407-million-year-old fossilized plant is complicating scientists’ understanding of plant evolution. Most land plants living today have spiral patterns involving ...

Recent discoveries in the field of epigenetics, the study of inheritance of traits that occur without changing the DNA sequence, have shown that chronological age in mammals correlates with epigenetic ...

“You shouldn’t make decisions when you’re hungry.” Tell that to the cell that ate a bacterium 1.5 billion years ago and set in motion the evolution of all plants on Earth. In this episode of Crash ...

A 400-million-year-old fossil reveals that, unlike most modern plants, some of the earliest land plants didn’t have leaves radiating out at angles that follow the Fibonacci sequence. The discovery ...

Jacob S. Suissa receives funding from The National Science Foundation. He is affiliated with Arnold Arboretum of Harvard University, and Let's Botanize Inc. There are few forms of the botanical world ...