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Plus Advent Calendar Door #6: Dining with jellyfish

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Plus Advent Calendar Door #6: Dining with jellyfish

Plus jetted across the Atlantic in February to attend the annual meeting of the American Association for the Advancement of Science in Vancouver. Not only did we feast with (not on) jellyfish at the Vancouver Aquarium, we also found out how to lose weight, how to play Big Brother on the internet, and more...


Counting calories — Struggling with that new year's resolution to lose a few pounds? Weight not dropping off as fast as you'd expected? A new mathematical model has some good news and some bad news for you. Which would you like to hear first?


Rubber data — Data, data, data. 21st century life provides tons of it. It's paradise for researchers, or at least it would be if we knew how to make sense of it all. This year's AAAS annual meeting in Vancouver devoted plenty of time to the question of how to understand large amounts of data. And there's one method we particularly liked. It's based on the kind of idea that gave us the London tube map.


Counting deaths: war as a statistical problem — How many people died? It's one of the first questions asked in a war or violent conflict, but it's one of the hardest to answer. In the chaos of war many deaths go unrecorded and all sides have an interest in distorting the figures. The best we can do is come up with estimates, but the trouble is that different statistical methods for doing this can produce vastly different results . So how do we know how different methods compare?


The podcast: AAAS meeting day 1 — From flattening the Earth to dining with the jellyfish, Plus chats about the first day at the meeting.


The podcast: AAAS meeting day 2 — On the second day at the meeting we talked to Marcel Babin from the Université Laval. Babin uses satellite images to measure the amount of organisms, such as phytoplankton, in the Arctic ocean and studies how this changing biological diversity can both indicate, and impact on, climate change.


Probing the dark web: the podcast — Networks loomed large at the AAAS annual meeting in Vancouver, in particular the one you're looking at right now: the Internet. Plus went along to a session on web surveillance. It sounds sinister at first, but as we found out, it's not all about Big Brother breaching your privacy. Information on the web can help us catch terrorists and criminals and it can also identify a widespread practice called astroturfing.


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