Ötzi the Iceman used surprisingly modern technique for his tattoos 5,300 years ago, study suggests

Ötzi the Iceman used surprisingly modern technique for his tattoos 5,300 years ago, study suggests | Polar vortex is 'spinning backwards' above Arctic after major reversal event | 1st detection of 'hiccupping' black hole leads to surprising discovery of 2nd black hole orbiting around it Created for {EMAIL} | [Web Version]( March 28, 2024 CONNECT WITH LIVESCIENCE  [Facebook]( [X](  [LIVESCIENCE]( Amazing science every day [SIGN UP]( ⋅ [WEBSITE](  [] Top Science News [] [Ötzi the Iceman used surprisingly modern technique for his tattoos 5,300 years ago, study suggests]( (Danny Riday) [Ötzi the Iceman used surprisingly modern technique for his tattoos 5,300 years ago, study suggests]( The researchers compared Ötzi's ancient tattoos with modern tattoos made using different techniques on the skin of one of the authors. [Read More]( [] Planet Earth [] [Polar vortex is 'spinning backwards' above Arctic after major reversal event]( (NASA/Goddard Space Flight Center) [Polar vortex is 'spinning backwards' above Arctic after major reversal event]( Earlier this month, a sudden atmospheric warming event caused the Arctic's polar vortex to reverse its trajectory. The swirling ring of cold air is now spinning in the wrong direction, which has triggered a record-breaking "ozone spike" and could impact global weather patterns. [Read More]( [] Space [] [1st detection of 'hiccupping' black hole leads to surprising discovery of 2nd black hole orbiting around it]( (Jose-Luis Olivares and Dheeraj Pasham, MIT) [1st detection of 'hiccupping' black hole leads to surprising discovery of 2nd black hole orbiting around it]( Scientists found a monster black hole that "hiccups" every 8.5 days, and a smaller black hole that keeps punching through its accretion disk may be to blame. [Read More]( [] Health [] [Active ingredient in Viagra tied to lower Alzheimer's risk, but don't get too excited]( (Bloomberg / Contributor via Getty Images) [Active ingredient in Viagra tied to lower Alzheimer's risk, but don't get too excited]( Once more, sildenafil, the main active component of the "little blue pill," has been found to be associated with a reduced risk of developing Alzheimer's disease. [Read More]( [] Technology [] [Baltimore bridge collapse: an engineer explains what happened, and what needs to change]( (Maxar / AAP) [Baltimore bridge collapse: an engineer explains what happened, and what needs to change]( Why did the bridge collapse, and what can we do to make other bridges more safe against such collapse? [Read More]( [] Daily Quiz [] What new method is being used to protect encryption from quantum computers? (Learn the answer [here](.) [Vote]( [Make firewalls 10 times stronger.]( [Vote]( [Use quantum encryption algorithms.]( [Vote]( [Bounce light between satellites.]( [Vote]( [Ask a superpowerful AI to encrypt data.](   [Sign Up]( | [Update Profile]( | [Unsubscribe]( [Privacy Policy]( | [Cookies Policy]( | [Terms and Conditions]( CONTACT US: [FEEDBACK](mailto:livescience@smartbrief.com) | [ADVERTISE]( [Future]( Future US LLC © Full 7th Floor, 130 West 42nd Street, New York, NY, 10036