India, with its diverse ecosystems, hides some breathtaking blue blooms, many of which appear only once in years. Discover ...

Add Yahoo as a preferred source to see more of our stories on Google. A classic favorite among plant parents, African violet (Saintpaulia) produces velvety green leaves on short leafstalks. It has ...

At a dinner party, or in the schoolyard, the question of favourite colour frequently results in an answer of “blue”. Why is it that humans are so fond of blue? And why does it seem to be so rare in ...