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Popular among bikers, rappers, and rebellious teenagers, the tattoo may become the identifying mark of a perhaps unlikely group—diabetics. Scientists at the Cambridge-based Draper laboratories are developing nanoparticle tattoo ink that changes color to indicate glucose levels in the skin. The researchers are aiming to test the ink on mice by the end of the month, said Heather Clark, a member of Draper’s biomedical engineering group. The small tattoos could replace the often painful finger-pricks that diabetics endure up to twelve times a day to monitor their blood glucose levels...
...stress test is also influenced by the measure you use. We chose the leverage ratio. To calculate it, divide a bank's equity by its assets, much of which are loans. The lower this ratio goes, the shakier a bank becomes. For example, a 10% leverage ratio means the bank has lent out $10 for every $1 in equity it has. A 5% reading translates to $20 out for every $1 in hand. Regulators like to see a reading of at least 5%. Anything less than that and a bank could become toast. Here's what we found...
...Prognosis: Looking good. JPMorgan is in better shape than other big banks are. Its post-test leverage ratio drops to 6.4%, from nearly 8% - still a picture of financial health. (See the best business deals...
...Prognosis: Defibrillator. Stat! Wells Fargo is generally considered one of the banks that are least likely to fail. But our stress test says otherwise. Even with its $58 billion loan-loss buffer, Wells is still in the hole for $59 billion, or 60% of its capital. With $40 billion remaining and an expected $5 billion in income, the bank could sink to a less-than-rosy leverage ratio...
...Today, that percentage is closer to 100%. All 50 states test for at least 21 diseases, and 24 states screen for the entire panel of 29 conditions. That expansion of testing can be traced in part to technology; new techniques make it easier to detect specific genetic changes and the presence or absence of certain proteins that are the hallmarks of the diseases...