AstraZeneca announced Sunday a comprehensive review has found "no evidence" that its COVID-19 vaccine causes an increased risk of blood clots.
Why it matters: Authorities in Ireland, the Netherlands, Denmark, Norway and Iceland have paused administering the vaccine because of clotting concerns, per Reuters.
A team of researchers is floating the idea of creating a biological repository on the Moon for millions of species on Earth — including humans.
The big picture: Whether the end comes from natural or human-made causes, our continued existence is far from certain. A biological ark could provide a backup plan for life on Earth — provided we can get over the weirdness of having a frozen sperm bank orbiting above our heads.