assuming the origin of life to be an unrecurring phenomenon

It feels a bit Brexity: a pained cry from the past, “We want our Shakespearean canon back!”

Plant breeding is always a numbers game.[…]The wild species we use are rich in genetic variation, and individual plants are highly heterozygous and do not breed true. In addition, we are looking for rare alleles, so the more plants we try, the better.

My seven-year-old son always digs a hole in the middle of his mashed potatoes and fills it with gravy before he starts to eat them.