I have read that the digestive system monitors food for the presence of certain nutrients and will encourage the brain to desire food until the need is met. Is this consensus science and if so which nutrients are involved?
My question of the week is about the acoustics of the didgeridoo. Could you please explain the science behind the cubic capacity of the internal chamber of the didgeridoo, in relation to it's length? Also, if they are tuned to a western key, are they louder than an off-key didgeridoo?
During the winter I’ve put blocks of suet with seeds in them out for the birds. It only takes a few minutes for the birds to find them and dig in but increasingly I’ve become very disturbed by the whole thing. Suet is animal fat so apart from the fact I’m promoting carnivorous behaviour in chickadees it raises the much more fundamental question which ...
I have found 2 leeches in my garden, we do not have a pond and live on an estate. What should I do with them, I have children, so dont want to put them back. Do you have any suggestions?? Many Thanks
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