Comment on Scott Walker used to be in 1st place in Iowa. Now he's in 10th.

SpaceX Crew-8 astronauts undock from ISS after weather delays (photo) Space.comFour space station fliers undock and head for Friday splashdown to wrap up extended mission CBS NewsCrew-8 Closes Dragon Hatch, Prepares for Undocking – Space Station NASA BlogsWeather clears for SpaceX Crew-8 to head home to Florida Phys.org

People 50 and older should get pneumococcal vaccine, US science panel recommends The Associated PressCDC panel lowers age for key vaccine. What older adults should know. USA TODAYCDC vaccine advisers recommend second COVID vaccine dose for seniors, immune-compromised cidrap.umn.eduCDC Panel Favors Wider Use of Pfizer, Merck Pneumococcal Shots (PFE, MRK) BloombergCDC’S ACIP Recommends Merck’s CAPVAXIVE™ (Pneumococcal 21-valent Conjugate Vaccine) for Pneumococcal Vaccination in Adults 50 Years of Age and Older Yahoo Finance

Bad sleep in your 40s can affect your brain later in life — here’s how New York Post Poor Sleep May Add Three Extra Years to Your Brain's Age NewsweekPoor sleep is tied to faster brain aging, new study says. Here’s how it impacts people as young as 40 Yahoo FinanceMRI indicates that poor sleep translates to poor brain health AuntMinnie

How long can you stand like a flamingo? The answer may reflect your age, new study says CNNHow long can you stand on one foot? The answer may predict your fall risk. The Washington PostSimple one-legged balancing test determines your biological age - so how old are YOU really? Daily MailBeing able to stand on 1 leg is key to healthy aging.

Giant meteorite that hit Earth 3 billion years ago may have helped life thrive: Study USA TODAYWhat happened when giant S2 meteor hit Earth 3 billion years ago? Harvard GazetteMeteorite 200 times larger than one that killed dinosaurs reset early life Chemistry WorldMeteorite that hit Earth 3 billion years ago dwarfed rock that caused dinosaur extinction: study CBC.ca

Researchers model how the first use of the wheel may have developed Phys.org1st wheel was invented 6,000 years ago in the Carpathian Mountains, modeling study suggests Livescience.comScientists believe they have finally discovered who invented the wheel Irish IndependentThe Wheel Was Invented by Neolithic Miners Who Extracted Copper in the Carpathians 6,000 Years Ago LBV MagazineThe first wheel was invented by miners in Eastern Europe 6,000 years ago La Vanguardia