If you are planning a huge, calorie-dense feast for dinner later this week, you might want to take a moment to thank a man you’ve likely never heard of—a man whose scientific breakthroughs in agriculture made food cheaper and more plentiful around the world. Norman Borlaug may have saved up to a billion lives by […]
population
In this month’s issue of National Geographic, I lay out a simple question. How many great white sharks are there on Earth? It seems simple enough – we’ve found some 3,500 planets outside our solar system and 400,000 species of beetles on Earth. This is the modern world of crowdsourcing and big data. We can […]
Just recently, the Chinese government ended its one-child policy, telling married couples they could reuse their nurseries one more time. It wasn’t out of the goodness of officials’ hearts. The original policy, put into effect in the late 1970s, was about demographics, an attempt to control the pull on the flailing economy. The change is still about […]
“I have an idea,” said my friend Chris. We often walk and talk briskly together in the California beach town where we live. Not long before, we’d talked about how the Earth’s huge population is a major contributor to global warming. So I was only slightly amazed when she followed up with, “I think we […]
This is the last installment of my six-week series about the Galápagos Islands. To recap the first five posts: The Galápagos is an archipelago of 14 volcanic islands that scientists since Darwin have gone well out of their way to study. The islands are extremely inhospitable to life, and yet, over long periods of time, life has […]