LifeDolphins spotted trapping fish in mud rings in the Caribbean Some dolphins churn up seafloor mud to form a ring that traps fish – and now we know the technique has been developed independently by dolphins near Belize and near Florida ¿ìè¶ÌÊÓÆµ
HealthShould we start testing drugs and vaccines in people who are pregnant? New drugs are rarely tested in pregnant people, leaving harmful gaps in our medical knowledge, but the tide of opinion on including them in trials is starting to change Insight