Artificial fertility treatments create a sex bias
Artificial plenteousness treatments create a sex bias 02 October 2010 Magazine issue 2780. Subscribe and rescue DIFFERENT fertility treatments affect the ratio of boy babies to girls, and this could require serious consequences as artificial fertility treatment becomes more common. So says Michael Chapman at the University of New South Wales in Sydney, Australia, following [...]
Thieving parrots hatch a plan to unlock food
Thieving parrots plot a plan to unlock food 15 August 2010 Magazine issue 2773. Subscribe and keep clear Video: Parrot unlocks box Kea parrots are renowned thieves in their natural New Zealand, and with good reason – even a complicated sequence of locks be possible to’t foil them. Hiromitsu Miyata of Kyoto University in Japan [...]
Thank your thalamus for a good night’s sleep
Thank your thalamus as being a good night’s sleep 13:59 09 August 2010 by Caitlin Stier Magazine issue 2773. Subscribe and save Do you be heedless like a baby? You may have your thalamus to thank, according to examination that suggests this brain region helps people sleep through bumps in the darkness. To discover why [...]
Military power law: The equations of body counts
Military cogency law: The equations of body counts 03 August 2010 by Kate Ravilious Magazine number printed 2771. Subscribe and save Why do industrialised nations suffer fewer limit larger terrorist attacks? Mathematics can help us understand how asymmetric the last argument of kings is being waged IN 2003, US soldiers in Iraq were given a [...]
Let there be night, for wildlife’s sake
Let there be night, for wildlife’s sake 15 July 2010 by Peter Aldhous, Edmonton Magazine delivering 2769. Subscribe and save IT IS time to take back the death for wildlife. That was the rallying call from a landmark session on light pollution at the Society for Conservation Biology on 4 July in Edmonton, Canada. The [...]
Sneaky dogs take food quietly to avoid getting caught
Sneaky dogs take aliment quietly to avoid getting caught 25 July 2010 Magazine issue 2770. Subscribe and hinder LIKE children with their hands in the cookie jar, dogs draw over food quietly to make sure they don’t get caught. The finding adds to evidence that dogs can work out what others are cogitation. Shannon Kundey [...]
Warm climates boost bird beak size
Warm climates boost bird beak size 05 July 2010 Magazine issue 2767. Subscribe and save For similar stories, visit the Evolution Topic Guide IF THE toco toucan had evolved in chilly Ireland, its impressive bill would have been much more modest. That’s the conclusion of researchers who say heat exchange can be added to diet [...]
Ovulation gives women’s brains a boost
Ovulation gives women’s brains a boost 29 June 2010 Magazine issue 2766. Subscribe and save For similar stories, visit the The Human Brain and Love and Sex Topic Guides THE size of a woman’s brain changes throughout her menstrual cycle, with some areas growing by as much as 2 per cent in the run-up to [...]