Feb 112014
 

While many in North America may recognize the Ski Jump from the brief clip fully encapsulating the agony of defeat in ABC’s Wide World of Sports intro, this event is quite popular in northern Europe. Supposedly originating in Norway when an army officer was showing off for his troops in the late 1800s, the men’s ski jump has been included in every Winter Olympics to date, while 2014 marks the first time women have been allowed to fling themselves off a mountain and sore for Olympic gold!

Kamil Stoch of Poland sores above the Olympic rings in Sochi, Russia on his way to a gold medal. Photo copyright Lars Baron/Getty Images.

Little known fact: the bar that ski jumpers sit on at the top of the hill before launching themselves down the slope used to be a raw log imported from the jungles of Central America to help encourage international inclusion*, and with it would often come gliding ants (conveniently for this story Cephalotes atratus), who would show off their own ability to fly!

Cephalotes atratus gracefully floats back to earth while attempting a world record in the Formicid Tree Jump! Photo copyright Alex Wild.

So how do ants measure up to our advanced aerodynamics, years of practice and training, and our pursuit for the thrill of victory? Surprisingly well, all things considered. With absolutely perfect form achieved with models in a wind tunnel, humans can attain a maximum horizontal glide of between 1.13m and 1.34m for every metre they drop, depending on the in-flight technique employed by the athlete. That means that when the women ski jumpers take off later today, they’ll be aiming for flights of nearly 100 metres, finishing with safe and graceful landings down the mountain, while only** falling about 80 metres!

By comparison, Cephalotes gliding ants have been found to majestically sore about 0.18m for every metre dropped. While they certainly won’t be challenging our athletes, it is more than sufficient to allow the ants to glide a few feet towards their tree trunk should they fall from their arboreal nests, avoiding a very long hike from the ground!

I guess it all comes back to form vs. function, and in this contest, I think we can clearly consider Team Arthropoda the winner.

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Yanoviak S.P., Munk Y., Kaspari M. & Dudley R. (2010). Aerial manoeuvrability in wingless gliding ants (Cephalotes atratus), Proceedings of the Royal Society B: Biological Sciences, 277 (1691) 2199-2204. DOI:

Ito S., Seo K. & Asai T. (2008). An Experimental Study on Ski Jumping Styles (P140), The Engineering of Sport, 7 9-17. DOI:

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*Not really.

**I’m not sure I should be able to say “only” and “falling 80 metres” in the same sentence.

Jun 262012
 

You may have noticed the Weekly Flypaper has been missing the past two weekends. I have a good reason for missing one, and a not so good reason for missing the other…

First, the good reason. I took part in the Rouge Park BioBlitz in Toronto, and along with 230+ other naturalists, taxonomists and volunteers, we scoured Rouge Park (soon to be Canada’s first urban National Park) for all signs of life, trying to identify as much as possible in 24 hours. Although the numbers are still coming in, the official species count is already nearing 1,300 species, all sighted or caught in 24 hours (and more than 800 of those were identified within the first 24 hours too)! That is an absolutely amazing number, and sets the bar very high for future BioBlitzes! The Guelph crew had a great time, and I think we contributed almost 100 insect species identifications, including 60+ flies. Lots more came home with us, and we’ll be getting names on them in the near future to be added to the list. The arthropod coordinator, Antonia Guidotti of the Royal Ontario Museum has posted an awesome synopsis of the BioBlitz over at the ROM Blog.

The other reason? I was lazy last weekend and didn’t get around to doing it. Oops.

So with 3 weeks worth of links, and major holidays upcoming in Canada & the USA, I suggest you grab a cold drink, find a comfy spot, and clear your schedule, because the Bugosphere has been busy!  Continue reading »