EarthThe Elements of Power makes a green case for rare metals David Abraham's new book argues, perhaps naively, that the role of rare metals in green tech outweighs the harm of mining them to satisfy our lust for gadgets CultureLab
LifeHowler monkeys have to choose between big balls and big bawls In species with the largest vocal organs, males have the smallest testicles, suggesting an evolutionary trade-off between winning mates and making sperm 51¶¯Âþ