Research on IV devices is underdeveloped, underfunded and understudied. That means doctors don’t always have the information they need to choose the best one for their patients.

Whether you don't like needles, or whether you really don't like needles, there's some good news on the horizon: a special "bioadhesive" coating that was just developed at Brown University is bringing us one step closer to saying goodbye to injections and hello to things like insulin pills.

If you are ok with taking a 45-minute intravenous treatment to eliminate your hangover, rejoice: a new service in Las Vegas will do exactly that. You can hop into one of their buses or call them to your hotel room.

Nathan Myhrvold explains why failure is an option at Intellectual Ventures—and it has to be for any inventor, really. [Eureka on Gizmodo]

It's pretty simple, says Intellectual Ventures' Nathan Myhrvold—lots more things being invented means lots more inventions that succeed.

"Did airplanes come from the R&D department of a train company or a steamship company?" Nathan Myhrvold asks, rhetorically, his voice cracking. He's explaining how his company, Intellectual Ventures, is going to reinvent the way things are invented.

The Gadget: FastMac's iV iPhone charger/battery pack, which has a 3100mAh capacity, a USB port, a flashlight and the ability to actually dock into standard iPhone ports.

FastMac has unveiled their second generation iV battery pack for the iPhone 3G, and it promises to deliver up to 24 hours of talk time, 750 hours (31 days) of standby, 20+ hours of video and almost 72 hours of audio playback time. Depending on your settings, we are talking triple or even quadruple the available power…

Diving is fun until your oxygen tank runs out and you die, but this Poseidon Mk IV Discovery tank actually extends the time you can be underwater by recycling your carbon dioxide exhaust and turning it into breathable oxygen. The tank works its magic with its C02 scrubbers and oxygen cells, which is powered by a…

The Gadget: iV iPhone case and battery, which adds 4x as much battery time to the iPhone while not adding too much more bulk.

The Verdict: The rubberized plastic feels nice, the LED flash/flashlight on the back is good for finding your keys or taking low-light pictures and it clips neatly onto your belt if you're one…

Professional and semi-professional photographers are like a Top Gun-era Tom Cruise—cocky and in The Need, The Need For Speed. That's why SanDisk's Extreme IV CompactFlash cars are touted as the "fastest cards in the world" at a read/write speed of 40MB/sec. Very speedy compared to the no-name brands the weekend…