A study found that redwood trees have two different leaves that serve different functions. The peripheral leaf, left, focuses on photosynthesis while the axial leaf is devoted to absorbing water.

Oh, lettuce. It beefs up salads and adds a final healthy flourish to your plate. But honestly, it can get a little boring. So I’m making a case for putting a little more thought into your leaves.

Plant diseases limit the output of agricultural workers and cause hundreds of billions of dollars in global crop production loss each year. When plants get wet they are at risk of contracting diseases ...

I write this in late November, and the war on leaves is in full swing. Here in suburbia, the annoyingly loud drone of leaf blowers is the siren song of the obsessed lawn manicurist. I’m hard-pressed ...

Redwood trees have two types of leaves, one to make food and the other to absorb water, found a new study. It's the first study to estimate whole-crown water absorption in a large, mature tree. The ...