LifePobblebonk frogs have a weird trick for surviving very acidic pools Highly acidic water usually breaks down a tadpole’s gill lining, but an Australian frog has evolved to suck in more protective calcium from the extreme ecosystem where it lives News
LifeBacteria bred for 2000 generations settle long-term evolution mystery A 2000-generation experiment with bacteria suggests existing variation makes a smaller contribution to evolution than we had thought News