A newly identified sponge order, Vilesida, produces sterols linked to the oldest-known animal biomarkers, supporting the idea ...

Why do you have five fingers? Why not ten, or twenty, or one? Why do so many animals have five fingers? Five seems to be the perfect number for most hands. Oddly, the first vertebrates to come onto ...

Micro-organisms constitute a very antique group of living organisms which appeared on the Earth’s surface almost 3000 million years ago. The questions arising from the study of the origin and ...

Life-history traits represent organisms’ strategies to navigate the fitness trade-offs between survival and reproduction. Eric Charnov developed three dimensionless metrics to quantify fundamental ...

hi this is Matt Baker welcome to episode four in my series on The evolutionary tree of life in the first three episodes we covered the animal kingdom including insects fish reptiles birds and mammals ...