أمثلة من مجموعة نصية لـ٪ 1
1. Dolphins may have big brains, but a South African–based scientist says laboratory rats and even goldfish can outwit them.
2. They also contend that children are exposed to phthalate levels far below the doses administered to laboratory rats.
3. In 1'6', the federal government banned artificial sweeteners known as cyclamates because of evidence they caused cancer in laboratory rats.
4. But now scientists have discovered – after experimenting on the California deer mouse, laboratory rats, and humans – that pregnancy also confers startling benefits: it actually boosts brainpower.
5. The study was carried out on laboratory rats that received high levels of vinclozolin, a fungicide widely used in vineyards, and methoxychlor, a pesticide used to replace DDT when it was banned more than 30 years ago.