 What's going on inside the brains of animals? Can we know what, or if, they're thinking and feeling? Carl Safina thinks we can. Using discoveries and anecdotes that span ecology, biology and behavioral science, he weaves together stories of whales, wolves, elephants and albatrosses to suggest that just as we think, feel, use tools and express emotions, so too do the other creatures – and minds – that share the Earth with us. Watch »  Written language, the hallmark of human civilization, didn't just suddenly appear one day. Thousands of years before the first fully developed writing systems, our ancestors scrawled geometric signs across the walls of the caves they sheltered in. Paleoanthropologist and rock art researcher Genevieve von Petzinger has studied and codified these ancient markings in caves across Europe -- and her research suggests there's a set of 32 markings common to many cultures across Europe. Graphic communication, and the ability to preserve and transmit messages, may be much older than we think. Watch » |  Forget Wi-Fi -- take a look at Li-Fi. Using off-the-shelf LEDs and solar cells, Harald Haas and his team have pioneered a new technology that transmits data using light. It's fast and stable -- and it may just be the key to bringing connectivity to billions of people. The future of the Internet might look like this. Watch »  Ann Morgan considered herself well read -- until she discovered the "massive blindspot" on her bookshelf: Amid all the English and American authors, there were very few books from beyond the English-speaking world. So she set an ambitious goal: to read one book from every country in the world over the course of a year. Now she's urging other Anglophiles to read translated works so that publishers will work harder to bring foreign literary gems back to their shores. Watch » | |
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