HealthPersonal lubricant made from cow mucus may protect against HIV In a laboratory study, human epithelial cells were treated with the lubricant before being exposed to HIV or a herpes virus, with subsequent infection rates being as low as 20 per cent ¿ìè¶ÌÊÓÆµ
EnvironmentWe should pursue speculative climate solutions like quantum batteries A new kind of battery rooted in quantum effects is showing promise. No one knows if they will ever become a practical option for electric vehicles or solar-power storage. But as the world burns, potentially transformative ideas must be explored Leader