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Has the luster rubbed off the iPhone 4?

Has the luster rubbed off the iPhone 4?

The iPhone 4 was supposed to be faster and more reliable than the previous generations of attention-grabbing mobile device. Glitches continue, the latest affecting the rates of data upload. MPR tech expert Jon Gordon parses the good and the bad with the new smartphones.
by Jon Gordon

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New technologies help crack old cases

New technologies help crack old cases

Law enforcement agencies have put more focus on solving cold cases in recent years, in part because new technology has made it possible to solve old crimes. Sgt. Anita Muldoon heads up the cold case unit at the St. Paul Police Department and she joined Cathy Wurzer this morning by phone.
by Cathy Wurzer

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Scientists try to find benefits, risks of nanoparticles

Scientists try to find benefits, risks of nanoparticles

Scientists in Duluth are hoping to determine how risky nanoparticles could be in lakes, rivers and groundwater, where they could clean up pollution -- or cause it.
by Dan Gunderson

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A new foil for the emerald ash borer

A new foil for the emerald ash borer

Emerald ash borers are expected to spread in Minnesota. But Minnesota plant scientists may introduce a natural enemy to the ash borer later this summer: it's a tiny wasp whose young feed on the slightly larger emerald ash borer larvae.

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Conficker and the evolution of computer viruses

Conficker and the evolution of computer viruses

A mysterious computer virus known as Conficker was spotted two years ago and since then cyber security experts around the world have united to figure out what the attack was all about and what it might mean for the future.

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Surveillance society

Surveillance society

Security cameras survey public areas, such as where we withdraw money, where we shop and where we wait for buses or trains. But where does it cross the line from protecting the public to invading one's privacy?

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History, in 140 characters or less

History, in 140 characters or less

The Library of Congresss has acquired Twitter's entire archive of public tweets. Will future historians learn anything of substance from them? Geek Squad founder Robert Stephens tackles that question and other tech topics.

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For teens texting is the new talking

For teens texting is the new talking

A new study finds 75 percent of teens own cell phones and prefer using them to text rather than talk. And email, that's for parents. Internet researcher Lee Rainie talks about how teens' use of technology has changed.

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Minn. cities vying for super-fast Internet wait for Google's reply

Minn. cities vying for super-fast Internet wait for Google's reply

For the past month, cities around the country and throughout Minnesota have pulled out all the stops to convince Google they should become a trial location for Google's ultra-high speed broadband network.
by Elizabeth Dunbar

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