Ranging in age from 17 to 25, they are challenging their country’s gender norms by learning engineering and coding, and setting their sights on infinity and beyond.

Why learn about methane? Because it could be our chance to make a real dent in global warming, says environmentalist Fred Krupp.

Robert Fischell invented the rechargeable pacemaker and the implantable insulin pump — not to mention created the precursor to GPS. The 87-year-old shares a peek into his creative process.

Strange as it may seem, archaeologists often look to the sky to discover sites buried deep beneath the earth. Space archaeology, as it’s called, refers to the use of high-resolution satellite imaging and lasers to map and model archaeological ruins. TED Fellow Sarah Parcak makes extensive use of this technology in her work. She explains why it’s so useful.

The team behind the SkySat-1 satellite is combining technologies from a half-dozen consumer products to upend the insular business of satellite imagery. Google just snapped up the firm for $500 million.