Population density 3d maps for various major cities #map #demography
The Passion flower (Passiflora caerulea) pollen look like strange spongy tennis balls
Passion flower pollen. 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: x1440 when printed 10 centimetres wide.
Foxglove seed (Digitalis purpurea) Science Image
~~ Dorstenia crispa ~~ from Kenya, the seed pods open explosively ~~