Technology is radically changing sleep as we know it

metamorworks/Shutterstock From sleep trackers to wakefulness drugs, the 21st century has seen an influx of new technology that could radically alter the way we sleep. Many of these new technologies chase the dream of optimised slumber. They promise to help tailor our sleep schedules to fit around our social lives,Continue Reading

Earliest evidence of kissing pushed back 1,000 years

Kissing may seem natural, but it remains unclear whether it's a universal human act, or a cultural one. PeopleImages.com – Yuri A / Shutterstock Lip kissing is an act that’s so natural and common in many present-day societies it is easily taken for granted. But it’s not actually clear whetherContinue Reading