Which medicines can you take when pregnant? New efforts aim to crack a scientific black box
News at a glance: Asia’s COVID-19 surge, melting winter sea ice, and ‘inflammatory’ arXiv papers
How NASA's Roman telescope could help find Earth-like planets by surveying space dust. Finding out how much of this material these systems contain would help astronomers learn more about how rocky planets form and guide the search for habitable worlds by future missions.