La definición de persona no es un problema científico. Puede dilucidarse científicamente cuándo el embrión se implanta, cuántas células tiene aproximadamente en ese momento, cuándo el feto desarrolla un cerebro que puede experimentar dolor (puede leer más sobre eso aquí), cuándo hay pérdida total e irreversible de la actividad cerebral, etcétera.
Health care workers in emergency departments are often carriers of the methicillin-resistant Staphylococcus aureus (MRSA), potentially putting patients at risk.
In the UK 164 people have died of variant CJD, which originally came from cows infected with BSE, and all cases to date shared the same version of the prion gene (MM). A new case has a different varian tof the gene (MV). Estimates are that up to 350 people could be affected in this new wave.
Researchers have measured concentrations of bacteria in the cabin air of 12 commercial passenger aircraft and found that flying may be safer than we think.
A woman whose husband died after receiving a liver transplant infected with a rodent virus is suing PetSmart claiming the chain should have warned customers that hamsters can carry lymphocytic choriomeningitis virus.
Ciguatera poisoning is caused by the consumption of tropical reef fish that have assimilated ciguatoxins through the marine food chain from toxic microscopic algae.