How We Did in 2013 and ...

摘要

1. One Cell at a Time Though not yet routine and nowhere near the clinic, single-cell DNA sequencing is yielding important discoveries such as unexpected variation in supposedly similar cells, including brain cells. 2. Planck Maps the Cosmic Microwave Background As expected, Europe's Planck spacecraft mapped the cosmic microwave background with unprecedented accuracy. But the Planck team's analysis merely confirmed the standard theory of what the universe is made of and how it evolved. Planck researchers will get one more shot at a major discovery-see "Cosmic history, with a twist" on page 1443.