On Venus, one full turn takes longer than a whole year. Venus spins so slowly it takes about 243 Earth days just to turn around once — but only about 225 Earth days to go all the way around the Sun. So by the time Venus has finished one spin, it has already finished a whole year.

Priya also explains the twist: Venus spins backwards, so the Sun would rise in the west and set in the east — and sunrise to sunrise is a different number, about 117 Earth days. Scientists think Venus's thick atmosphere and the Sun's pull helped slow its spin over billions of years, but the full story is still being worked out.

Sources:

NASA Science, Venus: Facts — https://science.nasa.gov/venus/venus-facts/

Enceladus, a small icy moon of Saturn, hides a global ocean under kilometres of ice — and its south-polar tiger stripes spray that ocean into space as a plume. In this episode, Alex and Jordan unpack a lab study that shows how a salt mineral called natron can trap tiny pockets of fluid as it freezes, making natron a key target for reading that ocean without drilling through the ice. They explain why larger, fresh grains near the vents are the best samples, and the honest caveats: this is a mechanism, not a detection of life, natron has not yet been confirmed on Enceladus's surface, and the lab solution was about five times more concentrated than Cassini-based estimates.

Sources:

Perera et al., Fluid inclusions establish natron as a key astrobiological target on Enceladus, Communications Earth & Environment, 2026 — https://doi.org/10.1038/s43247-026-04080-z

Phys.org, Salt crystals could hold clues to life beneath Enceladus's ice, Oct 17, 2026 — https://phys.org/news/2026-10-salt-crystals-clues-life-beneath.html

For years, the Denisovans were almost a ghost story in genetics — a whole branch of the human family known only from DNA, with no face to put to the name. That has changed. In this episode, Alex and Jordan unpack a new study that uses tough ancient proteins from 130,000-year-old bones at Xujiayao in northern China to finally give the Denisovans a recognizable face: low, broad skulls, thick bone, heavy brow ridges, flat cheeks, and rectangular eye sockets. They explain how protein analysis worked where DNA could not, why this is a composite family resemblance rather than a portrait of one individual, and what it means for how widely Denisovans spread across East Asia — and what we still cannot claim yet.

Sources:

Xing et al., The proteome of Middle Pleistocene Xujiayao and common Denisovan morphology, Nature, Oct 21, 2026 — https://doi.org/10.1038/s41586-026-11132-z

Nature News, This is what the mysterious Denisovans looked like, Oct 21, 2026 — https://www.nature.com/articles/d41586-026-03360-0