Science News! Let’s take a look at some of the important developments in science this week…
First, X-ray fluorescence spectrometry has revealed that a dagger found in the tomb of King Tut was made from a meteorite. The blade has resisted rust and age and its origin had been a puzzle until now. Read more from the Smithsonian here.
Second, scientists have outlined a plan to create an entire synthetic human genome in the lab. This could lead to medical breakthroughs, but it raises many concerns and would be a daunting task. Read more from NPR here.
Third, the Hubble telescope has taken measurements that conflict with studies of the left over radiation from the Big Bang, and show the Universe is expanding 5 to 9% faster than previously thought. The reason for the discrepancy is not yet known but may have something to do with unknown subatomic particles or with dark energy. Read more from the Guardian here.