while the Tara expedition sets sail to explore oceanic ecosystems at the microscopic level. Microscopes were also in the arsenal of early biological explorers such as Alexander von Humboldt and ...

Alexander von Humboldt was a naturalist and explorer whose books about his travels won legions of admirers, among them the young Charles Darwin. Andrea Wulf, who wrote the biography The Invention ...

Stuart Parkin is Director at the Max Planck Institute of Microstructure Physics, Halle, Germany, and an Alexander von Humboldt Professor at the Martin Luther University Halle-Wittenberg. His research ...