I've always liked frogs. I remember, when I was probably around 4 years old, being fascinated by the tadpoles that Dad brought home in a big jar from a farm pond. Mum explained about how they'd gradually metamorphose (thought I doubt she used that word!) & we watched their legs slowly grow & their tails […]
Continue readingTag: ecology
only the bones remained
And at the end, there weren’t many of those. One of the things we talk about in biology class is the importance of decomposers. Most students think in terms of bacteria when this topic’s raised, & maybe things like fungi. But there is more to the breakdown of a body than those microorganisms. Think worms, […]
Continue readingwhat would the world be like if we all just… disappeared
I do enjoy asapSCIENCE – their videos are quirky, entertaining, & informative, and can provide some great talking points for science classes. But for this one, add poignant to the adjectives.
Continue readingsticky little lizard feet
Evolutionary change can be fast – Peter and Rosemary Grant's long-term & ongoing research project on the Galapagos finches documented rapid responses to environmental changes, for example, as does the recent work on cane toads in Australia. And biologists have known since Darwin's time that competition can be a strong driver of evolutionary change. (Take […]
Continue readinghelicobacter pylori and the complexity of the human microbiome
In their first-year microbiology lectures. our students hear about Helicobacter pylori, the bacterium associated with the development of gastric ulcers (a discovery that eventually saw Barry Marshall and Robin Warren receive the 2005 Nobel Prize for Physology or Medicine). The trouble is, I suspect that this is all that they hear about a story that […]
Continue readingmost excellent epiphytes
A couple of years ago I spent a lovely afternoon in the huge domed glasshouses of Singapore's "Gardens on the Bay". The 'cloud forest' was my favourite – both for the concept & for the wonderful range of epiphytes on show there. So you'll understand that I enjoyed reading about it again on this blog, […]
Continue readingit’s not all fun & games being a crocodile, you know
Crocodiles (& their relatives, alligators) are generally viewed as top predators. They're 'ambush' hunters1, lunging up out of the water to snatch at their prey at the last moment. But sometimes, they come off second-best. Check out this video on the National Geographic site, of a jaguar stalking, catching, & killing a caiman. And how […]
Continue readingof whale poo, wolves, and spiny s*x
Whales – competing with us for food, or helping to sustain the phytoplankton production on which most life in the oceans depends? The story and video at this link make a good case for the latter. Then there's the wolves – their return to Yellowstone Park in the US has led to a whole cascade […]
Continue readingpresenting on plants at WCeLfest
For the last few years our Centre for e-Learning has run WCeLfest – a day of presentations & discussion around using various technology tools to enhance teaching & learning. I always find these sessions very valuable as there are a lot of people doing some really interesting things in their classrooms, & there's always something […]
Continue readingconcerns & conspiracy theories
Any discussion around water fluoridation will bring up quite a number of concerns, but increasingly – on-line anyway – conspiracy theories also come to the fore. I think the latter need to be addressed, but not at the risk of ignoring or failing to address the former. Worrying about the nature of what's in our […]
Continue reading