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pumpkins in Mexico

pumpkins in Mexico

Believe it or not, this is a photograph of sand viewed under a microscope!  Sand is grains of sediment ranging between 1/16 to 2mm in diameter, and it varies in composition around the world. In this image you have the tip of a spiral shell, a pink shell fragment, a foram, a microscopic but whole shell, a volcanic melt and a piece of coral.    Image: © Dr Gary Greenberg

Believe it or not, this is a photograph of sand viewed under a microscope! Sand is grains of sediment ranging between 1/16 to 2mm in diameter, and it varies in composition around the world. In this image you have the tip of a spiral shell, a pink shell fragment, a foram, a microscopic but whole shell, a volcanic melt and a piece of coral. Image: © Dr Gary Greenberg

This is the surface of the human tongue, under a coloured scanning electron micrograph (SEM). The spiky cones are backward facing projections called filiform papillae, which sense pressure. The filiform papillae don’t contain taste buds but are the most numerous of the papillae, covering most of the dorsum (upper surface). The papillae have a scaly appearance because they are constantly shedding their top layer of skin.

This is the surface of the human tongue, under a coloured scanning electron micrograph (SEM). The spiky cones are backward facing projections called filiform papillae, which sense pressure. The filiform papillae don’t contain taste buds but are the most numerous of the papillae, covering most of the dorsum (upper surface). The papillae have a scaly appearance because they are constantly shedding their top layer of skin.

Photograph by Martin Oeggerli Large white butterfly egg Pieris brassicae The yellow eggs of the large white butterfly are laid in clumps on the undersides ...

Photograph by Martin Oeggerli Large white butterfly egg Pieris brassicae The yellow eggs of the large white butterfly are laid in clumps on the undersides ...

The surface of a strawberry. See those greenish amber egglike things? They are the strawberry plant's fruits (a fruit is botanically a fleshy capsule containing a seed). See the red part around the fruits? That's — wait for it — a mutated stem. Yummy.

The surface of a strawberry. See those greenish amber egglike things? They are the strawberry plant's fruits (a fruit is botanically a fleshy capsule containing a seed). See the red part around the fruits? That's — wait for it — a mutated stem. Yummy.

MICROSCOPIC HAIRS IN INNER EAR:  Inner ear help divers (like the one in today's pic) know their up down orientation in water.  Sounds under water are magnified. When we hear sounds (whether under water or above) microscopic hairs in our inner ears vibrate.

MICROSCOPIC HAIRS IN INNER EAR: Inner ear help divers (like the one in today's pic) know their up down orientation in water. Sounds under water are magnified. When we hear sounds (whether under water or above) microscopic hairs in our inner ears vibrate.

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