ChemistryGraphene with ripples could help make better hydrogen fuel cells The one-atom-thick layer of carbon known as graphene can split hydrogen 100 times more efficiently than an equivalent mass of the best catalysts because of its strange nanoripples News
SocietyShould you have children? The true costs and benefits of parenthood Whether or not you have children can have a big impact on your health and happiness, not to mention the planet – and some do regret their decisions. Here’s how the evidence can guide you Features