Test your vision and IQ with this mind-bending optical illusion! Spot the 12 hidden faces in a leafless tree within 7 seconds to prove your eagle-eyed genius.

All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness ...

The storm damaged electrical equipment and broke tree limbs, leaving nearly 60,000 Austin Energy customers without power as of 10 p.m., according to the utility’s website.

It’s that time of year: the days are getting shorter, the air has a biting chill to it, and the leaves are turning a reddish-brown before they drop from the trees. But all of those leaves need ...

An average maturing tree under optimal conditions can transport up to 10,000 gallons of water only to capture about 1,000 usable gallons for the production of food and adding to its biomass.

Description A digital scan of an original watercolor and pastel illustration titled Washington Crown. The drawing is held as a PDF file (.pdf) and features the Smithsonian National Museum of African ...

The pictures, like Man in Tree, are strangely ominous. “I think there’s a dark side to his work,” says the Sacramento painter Fred Dalkey, a friend of Thiebaud’s.

Some of these products work because of science or color theory, others are just plain witchcraft. View Entire Post › ...

Use precise geolocation data. Actively scan device characteristics for identification. Store and/or access information on a ...

Browse 250+ how to draw a leafless tree pics stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Cute watercolor ...