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This is an exciting day for the #SciAmBlogs network – launch of the brand new blog by Katherine Harmon! She is a reporter and associate editor for Scientific American covering health, medicine, neuroscience and general life sciences for the website and you are probably familiar with her articles and blog posts (on the Observations blog). You can also follow her on Twitter at @katherineharmon . Katherine’s new blog is Octopus Chronicles , where she will write about this most intelligent and most charismatic of all invertebrates – the science, the history, the art, the works… This blog will be her “writing laboratory” as she works on her new book about these fascinating animals.

Rattus rattus, via alexfiles on Flickr (click image) It seems that everywhere you find a group of humans, you’ll find a clan of rats hiding in the shadows. This history seems born out of opportunity for the rat, but we’ve done our part to help them get around the world rather easily.

It took science, faith, and a bit of magic (oh, and 10 years and a million bucks) to bring a lost version of a pioneering silent film classic back to colorful life. Here’s how it happened.

Now, more than ever, departing employees should be treated with care and respect. Serial entrepreneur Dave Balter explains why. To Kim N.: I’m sorry you were dismissed with anger and haste.

In her new film, Connected, Webby Awards founder and Internet philosopher Tiffany Shlain sees digital connection as the next step in harnessing our collective brainpower--as long as we don’t lose our ability to relate to each other. Is technological connectivity mankind's next evolutionary step

In the sweltering heat of an early July afternoon, Michael R. Waters clambers down into a shadowy pit where a small hive of excavators edge their trowels into an ancient floodplain. A murmur rises from the crew, and one of the diggers gives Waters, an archaeologist at the Center for the Study of the First Americans at Texas A&M University, a dirt-smeared fragment of blue-gray stone called chert

East often meets West and vice versa, but did North frequently meet South when it comes to the history of people and technological innovations migrating across the continents? New genetic analysis suggests the way that continents are oriented may indeed have played a key role in our cultural interactions over time

Are companies overwhelming consumers? We continue our examination of the business book The Paradox of Choice with an interview of author Barry Schwartz. Kevin Ohannessian: What was the impetus for writing The Paradox of Choice?

Are companies overwhelming consumers? We continue our examination of the business book The Paradox of Choice with an interview of author Barry Schwartz.

What makes a joke funny? The head of the Internet radio site's team of comedy analysts shows us the inner workings of its new Comedy Genome Project. There’s an old quote from E.B.

The new documentary Senna tells the story of the life and tragic death of Formula One racer Ayrton Senna, whose fatal crash at the San Marino Grand Prix led to a host of safety innovations for the sport. Fast Company spoke with screenwriter Manish Pandey about the movie and how Senna's death brought a new era of innovation for Formula One to life

The popular game series Deus Ex taps real-world science for its latest installment of a transhuman dystopia. Will Rosellini is a science fiction purist.

Looking beyond traditional loans? Learn more about this alternative and increasingly popular lending option

How well do you know the history of the PGA Championship? Try this trivia quiz:

CBS News correspondent Michelle Miller reports on historic new health rules that require health insurance companies to cover birth control for women. Then, Chris Wragge talks to White House Deputy Senior Adviser Stephanie Cutter about the new rules and the history of how they came into effect.