Botanists have mapped the evolutionary relationships between flowering plants using genomic data from more than 9500 species. The newly compiled tree of life will help scientists piece together the ...

This lesson plan provides students with evidence that all living things grow and change as they progress through their life cycle. All of the activities detailed in this lesson plan can be done with ...

For 25 years, Carol Augspurger visited a patch of ancient woods near Urbana, Illinois to look at the same 25 one-square-meter plots of earth she first demarcated for study in 1993. Her 600,000+ ...

Watch a Nicotiana rustica (Aztec tobacco) plant grow from seed to flower in just 60 days. This powerful tobacco species ...