Forbes.com has run a number of screens--sifting through biotech funds and biotech-heavy health care funds to separate those that are least risky from those that really go out on a limb.

FORBES: Engineering Biotech's Risk Factor

While it's always hard to pin down the exact origins of an idea -- especially one like pulse-code modulation, where a number of parties were involved -- sifting out the large and significant contributions from the gold pan of history tends to bring up the same names time and again.

ENGADGET: Primed: digital audio basics Mobile

The listener needs a generous ear when sifting through almost thirty albums (plus an even greater number of live recordings and compilations) made by almost fifty band members, but in his own, grudging way Smith is the most generous man in northern England.

NEWYORKER: Plug and Play