Photosynthesis -- mainly carried out by plants -- is based on a remarkably efficient energy conversion process. To generate chemical energy, sunlight must first be captured and transported further.

You won't always have a practical use for your baby's bathtub, but once it's no longer serving its purpose, it can be turned ...

Waterlilies, or Nymphaea, are the quintessential pond plant. Not only do they produce attractive round leaves that rest on ...