PHILADELPHIA (CBS) - As summer wears out and plants go to seed, you may not think the browning flowers on your Echinacea plants are very pretty, but lots of birds sure find them attractive. Echinacea ...
Scientists have worked out why birds do not go grey as they age - a discovery they say could lead to a new generation of fade-proof paint and clothing. A team from Sheffield University looked at how ...
A TEAM from Sheffield University looked at how the colours are created in the blue-and-white feathers of the jay and found that they come from the way they are structured rather than the pigments that ...
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