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Environment

Quiz: How much do you know about the chemistry behind hydrangea colors?

Test your knowledge of how chemical components like soil pH and metal ions affect hydrangeas’ colorful hues


Injured orangutan seen applying medicinal plant to wound

The animal ate the plant, administered plant juices to the wound area, and covered it with chewed plant matter

image name
Environment

Quiz: How much do you know about the chemistry behind hydrangea colors?

Test your knowledge of how chemical components like soil pH and metal ions affect hydrangeas’ colorful hues


Toward artificial leaves that float on water, bubbling fuel

Organic photovoltaic-based devices split water and CO2to make solar fuels


Miniature polymeric tubes separate enantiomers

Devices could offer an alternative to chromatography and speed screening of chiral compounds