Harald Franzen

Coming to German sewer pipes this summer: Robotic snake inspectors.

Space exploration: The Scout program's innovative 'Final Four.'

Cancer researchers stumble on a ricin treatment.

Medicine: Botox can also help the genuinely young.

Optics: New muscle for old eyes.

Resurrecting the turning headlight concept.

Engineering: Rethinking the internal combustion engine.

Bad taste: In years past, you had to be pretty exceptional to get something named after you.

Rethinking the internal combustion engine.

Restored vision might be in the future for the 3 million Americans who suffer from blinding retinal damage.