HealthDoes 23andMe's decline show genetic-based medicine has been overhyped? 23andMe's DNA test was once named "invention of the year", but now the company is in dire financial straits. Is this a sign that genetically based medicine's promise has been exaggerated? Analysis
SpaceHabitable ocean world K2-18b may actually be inhospitable gas planet An exoplanet called K2-18b has been suggested as a good place to look for alien life, but a new analysis shows it is probably made from gas ¿ìè¶ÌÊÓÆµ