The NSW Scientist of the Year has hit fertile ground in his mission to help the planet with its population problem, writes Nicky Phillips.

Most women think their fertility slowly declines with age.

”But it’s actually a precipitous cliff from about age 34,” reproductive biologist John Aitken says as he spoons barramundi topped with caviar into his mouth.

It’s a startling statement. I imagine, as I near 30, my eggs ending up like the caviar on his plate; shrivelled and unfertilised. ”I’ll keep that in mind,” I mumble.

Read the full article in the Sydney Morning Herald.