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Global Warming Under Investigation

4 Oct

by Ben Good

Predicting the affects of global warming is a complicated process with many disagreements over the severity and possible effects of estimated rises in atmospheric CO2 and temperature. One test currently underway in British Columbia seeks to ascertain experimentally the effects that predicted temperatures will have on tree life.

This experiment has been termed the Assisted Migration Adaptation Trial (AMAT). It involves taking seedlings of a multitude of species from their natural habitat and moving them into regions with a similar environment to what their natural habitat is expected to be like in the years 2025, 2055 and 2085.  This test is being hailed as a progressive pro-active approach to the global warming issue by some, yet others consider it to be both dangerous and disruptive to their ecosystems.

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Did You Know?

4 Oct

The ostrich egg is the largest single cell in nature.

Chameleons change colour depending on their emotion not their background.

The average male will grow about 27 feet of hair out of his face during his lifetime.

Snow takes approximately 10 years to turn into ice.

There are 60,000 miles of blood vessels in the human body.

If you are talking to someone you blink approximately 29 times per minute but if you are reading you only blink 4 times per minute.

Humans have 4 nostrils, two external and two internal (the choannae) which connects the throat and nose.

The largest known living thing is a honey fungus which spans 890 hectares in Canada linked underground by mycelia.

More germs are transferred while shaking hands compared to kissing.

Painted Lady Butterfly

4 Oct

by Ella Barnett

Of the 200,000 known butterfly species the painted lady butterfly (Vanessa Cardui) is the most globally distributed. The distribution of most forms of butterflies is limited by climate. The majority of species, if their body temperature drops to below 30oC will lose the ability to fly and with either die or enter a state of torpor.

The colourful wings have both defensive and procreative purposes. They are intended to scare off birds. As well as this males have iridescent wing scales which when he flutters his wings creates a UV strobe which in combination with pheromones attracts potential mates. Different species have different pheromone scents which aid in identification. The Common Blue Butterfly smells distinctly of chocolate.