Design and Coincidence

The sudden origination of a complex structure in a complete form out of the blue shows that it ...

Bombardier Beetle

In moments of danger, the insect squirts hydrogen peroxide and hydroquinone stored in its body ...

wood

Wood and Fire: Can They Be Obtained Artificially?

The hard and resistant nature of wood is the result of the cellulose fibres it contains. Becaus ...

Spider Web

Engineering in the Spider Web

Garden spiders sometimes spin their web between two distant branches. Since such webs are quite ...

Lambs

Little White Lambs

By the time the ewe gives birth to her lamb, she never forgets its smell and the taste she sens ...