The new limited-time LEGO Brick Take Back program will let you swap old LEGO pieces (for free) in exchange for e-gift cards.

LEGO has come up with the perfect way to do exactly that. The company has started a new program where you can send them old pieces in exchange for e-gift cards.

Researchers report that the colorful patterns in their inexpensive and durable paper-based sensor array changed in the presence of poisonous gases.

Not all poisonous gases have a smell or a color. But a tiny grid of pastel- and candy-colored squares that effectively "sniffs" out hazardous chemicals in the air such as chlorosarin—a highly ...

Has your car been stolen? Only 10% of Coloradans using this car theft assistance program 0:00 / 2:13 By Michael Logerwell August 15, 2025 6:14 PM ...