TIM COLLINS: ‘Compassion for animals may be hardwired into our genetic code, if the findings of a new study are to be believed. People who show a high degree of caring for other species share a variation in the gene that produces the neurotransmitter oxytocin – also known as the love hormone. Oxytocin has previously … Continue reading Is caring for other animals in our DNA? Greater compassion for other species is linked to human gene