12 天
New Scientist on MSNWhy do giraffes have spots? Not for the reason you might thinkThe size and shape of a giraffe’s spots seem to influence how well the animals survive when temperatures get hotter or colder ...
The physiological demands of that long neck get support from a gene involved in strengthening bones and blood vessels, researchers find after inserting the sequence ... but scientists know very little ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果