EarthMetabolism may be older than life itself and start spontaneously The discovery that the Krebs cycle, which is essential for life, can occur in the absence of enzymes suggests that life鈥檚 origins were surprisingly humble 快猫短视频
HumansSubway chicken row shows faith in food is still a battleground Complex, opaque supply chains mean consumer trust in processed foods is vulnerable like never before. What can be done, wonders science writer Nicola Temple Comment