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Remember, Jurassic Park? Twenty years ago it hit cinema screens across the world and entertained millions with the storyline of bringing dinosaurs back from extinction ... but it’s just a story, right?

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The answer 20 years later is "Maybe". This Friday we’re going to be discussing the possibility of de-extinction: bringing extinct species of plant and animal back from the dead. What was once sci-fi may soon be reality. But are we ready? Have we considered the implications and ethics of this developing science?


In 2000, the Pyrenean ibex, a species of wild mountain goat, was officially declared extinct. Once common throughout northern Spain and the French Pyrenees, it had been extensively hunted to extinction. But in 2009, with DNA taken from previously collected skin samples, scientists resurrected the species through cloning. 



However, the cloned animal only survived for 7 minutes and died from breathing difficulties. Was it wrong to try to bring it back? Or could emerging scientific techniques be the answer to the current extinction crisis?


If a polar bear cub can generate an increased revenue of five million euros in one year for a German Zoo, imagine how much publicity and money a baby mammoth could generate. While this may seem exploitative, could de-extincting a mammoth result in the conservation of endangered species? Could the mammoth act as a flagship species for the development of new technologies?


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We’ll be asking these and other important questions at this After Hours discussion event during Friday’s Lates, and there should be plenty of food for thought. Do join us if you can but if you can't, I’ll post again next week and give you an insider’s view on the points that were raised and the topics discussed.


Hopping Mad

Posted by Charlotte - Nature Live host Mar 13, 2011

It's been a busy weekend of events....first Tadpoles on Saturday and then Dwarf Elephants on Sunday.  A curious combination of topics, but each equally fascinating!


Our Tadpole event was timed to tie-in with the first frog spawn starting to appear in our ponds.....which apparently it is, although warmer weather should help more appear.  Apparently (according to our amphibian curator Barry Clarke) frogs have been known to produce spawn as early as December some years, but hard frosts kill the eggs and it's not until the weather becomes milder that the tadpoles are able to start developing.  In fact, the warmer the weather, the quicker they devlop from tadpoles to adults.


Barry was a complete star as always and brought along lots of specimens from our zoology collections.


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Note the specimen in the centre of the bottom row.....this is a Midwife Toad.  They show great parental care (unlike our common frogs which lay their eggs and then leave them!)  The female Midwife Toad lays her eggs and the male then wraps them around his back legs.  He then carries them around with him (swimming and moving about seemingly unhindered) until the tadpoles are ready to emerge and swim off.  Because of this parental care, the eggs are far safer and have a greater chance of survival than if they were left unprotected.


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However, for the ultimate in parental care, go onto the BBC website and use their 'wildlife finder' to watch some incredible footage of Darwin's frog.  You won't believe your eyes


As for the Dwarf Elephants today, well, they were certainly small!  Tori Herridge (a researcher in our Palaeontology Department) brought along some fossils from our collections....including lots of teeth.  The photo below shows the tooth of an extinct Straight-Tusked Elephant at the bottom and an extinct Dwarf Elephant tooth at the top of the photo.  Quite a difference in size!  The Straight-Tusked Elephant was one of the largest elephants ever to live, and could grow to as much as 4 metres tall.  In comparison, Dwarf Elephants were sometimes only 1 metre tall as adults!


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We'll be repeating Tori's Nature Live event later this month, at 2.30pm on Wednesday 30th March in the Attenborough Studio.  As always, the event is free and lasts for 30 minutes.  So come and join us if you can and discover more about these mysterious Dwarf Elephants.....