Researchers stabilised a ring-shaped carbon molecule by adding “bumpers” to protect its atoms Harry Anderson A new type of all-carbon molecule has been studied under normal room-temperature conditions. This marks only the second time this has ever been done, after spherical buckyballs were synthesised 35 years ago. The breakthrough could lead to extremely efficient materials…

More than 100 organisations have signed a joint letter calling on Israel to stop the “weaponisation of aid” into Gaza, as “starvation deepens”. Humanitarian groups, including Oxfam and Médecins Sans Frontières (MSF), say they are increasingly being told they are “not authorised” to deliver aid, unless they comply with the stricter Israeli regulations. Groups risk…