Roughly half of the howler monkeys in the research preserve have died or remain unaccounted for. Scientists had been studying them for more than 30 years.
Argentinian Field Site Devastated by Fire
Argentinian Field Site Devastated by Fire
Roughly half of the howler monkeys in the research preserve have died or remain unaccounted for. Scientists had been studying them for more than 30 years.
Roughly half of the howler monkeys in the research preserve have died or remain unaccounted for. Scientists had been studying them for more than 30 years.
A spending bill approved by a House committee would require the agency to “accelerate” the replacement of nonhuman primates in laboratories starting in October.
Rhesus monkeys engineered to express a human gene reportedly show delayed brain development and better short-term memory. Fellow scientists are raising ethical red flags.
A combination of public opposition, intense regulations, and rising costs in the EU make conditions in China and elsewhere attractive for studying monkeys.