I hike alone quite a bit for this column. And when I’m on the trail by myself, I like to play little mental games. For one, I ...

morgan23 / Getty Images A fully grown tree may lose several hundred gallons of water through its leaves on a hot, dry day. The same tree will lose nearly no water on wet, cold, winter days, so ...

By JESSICA DAMIANO When I was a kid, my aunt and uncle grew tomatoes in plastic buckets lined up like soldiers on the cement ...