Science

scientific laws - BioBlog

Alison Campbell Aug 26, 2009

Sometimes scientific terminology can be quite confusing - everyday words like 'theory'  & 'law, for example, mean something different when used in a scientific context. And just what is a law in science, anyway? I've just stumbled across a brief excerpt... Read More

Natural selection definitions and modes - Chicken or Egg

Hilary Miller Aug 26, 2009

Greg Laden has written some useful posts over the last few days on natural selection.  This post deals with how to define natural selection and deals with some common misconceptions on the topic, and this one covers modes of selection.   There’s also an interesting post of whether humans are still subject to natural selection. So head on [...] … Read More

What’s happening in Geneva? - Physics Stop

Marcus Wilson Aug 26, 2009

In the last few days I've had a couple of people ask what is happening with the Large Hadron Collider.Well, if you want the latest news, you can grab the press releases from http://lhc.web.cern.ch/lhc/News.htm . In short, they are doing various tests, and finding and addressing various problems as they arise. It now looks like November before the collider is 'fired-up', … Read More

Origins of the tree of life - Chicken or Egg

Hilary Miller Aug 22, 2009

 Darwin is usually credited with being the first person to describe relationships among species as a tree.  I’ll admit I always thought this was the case, until this week when some discussion on an evolution email list I subscribe to enlightened me. Darwin used this tree figure in The Origin of Species to illustrate his idea of “descent [...] … Read More

New Zealand’s walking bats - Unsorted

Hilary Miller Aug 12, 2009

New Zealand’s lesser short-tailed bat Mystacina tuberculata is slightly odd in the bat world due to its propensity for running about on the ground instead of flying.  Unlike most bats, which catch their prey while in flight, the lesser short-tailed bat spends much of its time foraging on the forest floor.  The elbow joints in [...] … Read More

Measles Outbreak - Skepticon

Darcy Cowan Aug 07, 2009

There was a story in the NZ Herald this week regarding a Measles outbreak in Auckland and the response to this event by the Powers That Be. Whether or not the action taken (keeping unvaccinated children at home following possible contact with carriers)  is correct, either practically or ethically is a question that will be endlessly discussed [...] … Read More

Vitamins and Exercise - Skepticon

Darcy Cowan Jul 31, 2009

I think it’s safe to say that in recent years the push to “Become Healthier” has become much stronger than it was previously. Statistics like 1/4 of New Zealand adults are obese and New Zealand being the “3rd Fattest” country in the world are used to promote a lifestyle that is aimed at making us [...] … Read More