Researchers are finally getting the tools to understand just how the microbial communities in and on our bodies affect health. But there are many mysteries left to solve — and many technological challenges.
The Nobel laureate and former NIH director talks about how far the field has come, where it should go and why some of the best discoveries in oncology still aren’t reaching patients who need them
Astronomer Lisa Kaltenegger reckons the galaxy could contain as many as 40 billion habitable planets. Here, she speaks about the search for those faraway worlds and signatures of life.