Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

We don't hear often living here in Central Florida. Today we're cracking the code, not just because our temperatures were cool this morning, but because we're looking into cold chemistry. It is ...

The science pros at TKOR blow bubbles using dry ice and colored smoke bombs, exploring chemistry, gas behavior, and visual spectacle.