HealthCoronavirus vaccine: What should you do if pregnant or breastfeeding? With little safety data available, individuals who are pregnant must weigh up the risks and benefits for themselves, while evidence for those who are breastfeeding is more clear Analysis
LifeBottlenose dolphins may control their heart rates to avoid the bends Bottlenose dolphins may consciously vary their heart rates depending on how far they want to dive, in an effort to avoid decompression sickness News