According to current systematic theory, everyone reading this right now belongs to the taxonomic category Deuterostomia.
If you look closely at beach sand, you may find some grains that stand out. They are shaped like spirals, stars, or striated cones.
The highly valued optical properties of pearls come from sophisticated processes of biomineralization involving proteins and crystals.
Simple, small, and worldwide in distribution, the placozoa don’t fit any clear evolutionary picture.
Why is the world a beautiful place and why does it touch me?