Easy, tiger: study maps big cats' personalities

Ask any pet owner if their beloved companion has a personality and you'll most often get an emphatic "yes". But now tiger researchers can nod along too—a study published Wednesday reveals that the world's largest felines ...

Sea otters killed by unusual parasite strain

Four sea otters that stranded in California died from an unusually severe form of toxoplasmosis, according to a study from the California Department of Fish and Wildlife and the University of California, Davis. The disease ...

Neurotoxicological hazard assessment without animal testing

The development of our nervous system in the womb and during the first years of life is a highly complicated process: Nerve cells proliferate by cell division, specialize, change their position in the tissue and interconnect ...

Controversial monkey study reignites animal testing debate

Mother monkeys permanently separated from their newborns sometimes find comfort in plush toys: this recent finding from Harvard experiments has set off intense controversy among scientists and reignited the ethical debate ...

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