Using a deadman retaining wall, you can build a crosstie retaining wall for a simple, economical way to terrace uneven ground and reduce dirt erosion.

Nature is so full of mystery and allure, but in our day-to-day lives, we get quite used to seeing the same species of flora around us. There are so many kinds of flowers that we'll just never see ...

Scientists created a soft robot inspired by elephants, named EleBot, using programmable foam that changes stiffness geometrically.

The University of Pennsylvania's independent student news organization.