dragon jeremiah/Flickr There are few things more important than fertility in determining a nation’s future viability. Demographers suggest that a country needs a fertility rate of just over two children per woman to hit “replacement fertility” — the rate at which new births fill the spaces left behind by deaths. But because of certain cultural and economic forces, only about half of the world’s 224 countries currently hit replacement fertility. For those that don’t,…
9 countries that desperately want people to have more sex
More of Today's Solutions
Spring’s morning symphony: the mystery and beauty of the dawn chorus
BY THE OPTIMIST DAILY EDITORIAL TEAM As winter fades and spring awakens, the world doesn’t just bloom—it sings. Each morning, just before sunrise, birds ...
Read MoreScience-backed trick to make your pour-over coffee stronger, no extra beans n...
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’ve ever wished your morning pour-over packed more punch without using extra coffee grounds, science has good ...
Read MoreMIT to publish free plans online for a cheap emergency ventilator
Imagine a class project from over a decade ago ended up holding the solution to a global issue? Well that's the case for a ...
Read MoreFoggy windshields? Here’s how to defog them in no time
For all the cozy things we associate with wintertime, there are some particularly frustrating aspects as well. Foggy car windshields in the morning are ...
Read More
