crust

"If the crust starts to get too dark, I swear by a ring of foil wrapped around the crust to protect it. You can keep them and reuse them many times too."

I’ve tried lots of gardening gloves, but they all had the same problem: I had to peel them off to use my smartphone, which isn’t easy when they’re wet or crusted with dirt.

As glacial ice melts, the downward pressure on Earth’s thin outer crust eases, causing the ground to rebound.

That moon is almost entirely covered by a vast ocean underneath a crust of ice.

Its icy crust is up to 25km thick, and sloshing beneath, there could be a vast saltwater ocean.