Humans Ancient footprints are a welcome new window on ancient people's lives IT WAS out in the desert of New Mexico that humanity first tested the atomic bomb, creating an explosion that left an indelible imprint on our planet. In the same area, just a few dozen kilometres south, scientists are now finding imprints of quite a different sort: human footprints from the Stone Age. These tracks … News
Space Pluto has a huge field of bumpy ice created by massive volcanoes A unique lumpy landscape on Pluto was probably built up via ice seeping up from its surprisingly warm interior that has created volcanoes as large as those on Earth – and that cryovolcanism could continue to this day News
Health Should I worry about 'deltacron' and other covid-19 recombinants? Recombination, essentially the viral version of sex, occurs when a single cell is simultaneously infected with two related viruses, whose genetic material could mix as they replicate News
Environment Earth's vital rivers captured in stunning drone and satellite images https://youtu.be/umYhsBDy5o8 DRAMATIC, powerful and entrancing, these images give a bird's-eye view of one of humanity's most valuable resources. They are taken from River , a new nature documentary directed by Jennifer Peedom. The movie includes drone footage and draws on modern filming techniques, such as the use of satellites, to capture the scale and intricacy … Regulars
Technology An extreme form of encryption could solve big data's privacy problem Fully homomorphic encryption allows us to run analysis on data without ever seeing the contents. It could help us reap the full benefits of big data, from fighting financial fraud to catching diseases early Features
Humans Luck review: A gambler digs into our belief in luck and superstition An intriguing new book by a semi-professional poker player looks at why we feel lucky, and reflects on some hard-won lessons about living with uncertainty Culture
Puzzle #162: Can you deduce the hidden totals on obscured dice? #162 Hidden faces While window-shopping at a toy store, my partner and I came across a set of dice that was partially obscured at the back of the shop's display. My partner took one look and bet me that I couldn't tell them what the sum of all the touching faces between the dice would … Regulars
Humans A quantum approach to the grooming of skin, hair and nails Feedback is our weekly column of bizarre stories, implausible advertising claims, confusing instructions and more Regulars