Radiolaria : Radiolarians are unicellular marine organisms with a silicate skeleton. They are part of the plankton floating in the oceans in warmer regions near the surface. Scanning electron microscope, (at cm)
Coloured scanning electron micrograph (SEM) of a passion flower (Passiflora caerulea) pollen grain. Pollen grains are the male gametes (sex cells) of a plant. Magnification: when printed 10 centimetres wide.
Paulownia seed, from The Wondrous Beauty Of Microscopic Plant Seeds, via Co. UK artist Rob Kesseler is working with the Millennium Seed Bank to illustrate the remarkable, nearly invisible world of microscopic botany.
Coloured scanning electron micrograph (SEM) of the varied underside of a leaf from a rice plant (Oryza sp. Leaves have a wide variety of specialised surface structures, such as trichomes (not seen), stomata (pores) and oil glands.
This is what the inside of our brains look like when we are thinking. How Nerve Cells Communicate The brain makes sense of our experiences by focusing closely on the timing of the impulses that flow through billions of nerve cells