Ars Technica

Red planet has a big core, complex crust

Big, but unexpectedly light — Seismograph on NASA’s InSight lander is slowly imaging the Martian interior. John Timmer – Jul 25, 2021 1:00 pm UTC Enlarge / Some seismic waves bounce off Mars’ core before reaching the InSight lander.We’ve learned a lot about our planet’s interior simply by tracking how the seismic energy released by…

Venmo gets more private—but it’s still not fully safe

not so funny money — Until it offers privacy by default, it remains a liability for many of its users. Brian Barrett, wired.com – Jul 25, 2021 10:50 am UTC Getty Images Venmo, the popular mobile payment service, has redesigned its app. That’s normally news you could safely ignore, but this announcement is worth a…