New gene therapy approaches show ‘breakthroughs’ against rare condition
Laura Ungar

‘Zombie’ cells may hold clues to improving old age

Troubled species rebound — only to make things worse for others animals in peril
John Flesher, Christina Larson and Patrick Whittle

Study sees rise in melatonin poisonings of kids in past decade, especially during pandemic
Mike Stobbe

Bali’s bird sellers, conservationists join forces to save endangered mynas
Victoria Milko and Andi Jatmiko