Political Science & International Relations Issues

The brain waves generated during deep sleep appear to trigger a cleaning system in the brain that protects it against Alzheimer’s and other neurodegenerative diseases.

Electrical signals known as slow waves appear just before a pulse of fluid washes through the brain, presumably removing toxins associated with Alzheimer’s, researchers reported Thursday in the journal Science.

The finding could help explain a puzzling link between sleep and Alzheimer’s, says Laura Lewis, an author of the study and an assistant professor in the department of biomedical engineering at Boston University.

“Some disruption to the way sleep is working could potentially be contributing to the decline in brain health,” Lewis says.

How Deep Sleep May Help The Brain Clear Alzheimer’s Toxins

Just like people here on Earth, astronauts get shipments too! But not in the typical sense. 8,200 pounds of cargo, including supplies and scientific experiments, is on its way to the International Space Station thanks to Northrop Grumman’s Cygnus cargo spacecraft. This ‘package’ launched out of Wallops Flight Facility on Nov. 2, 2019 at 9:59 a.m. EDT. The investigations aboard the rocket range from research into human control of robotics in space to reprocessing fibers for 3D printing. Get ready, because these new and exciting experiments are arriving soon!

THE SEARCH FOR DARK MATTER

Stars, planets and their molecules only make up 15% of our universe. The rest is dark matter. However, no one has actually ever been able to see or study it. The Alpha Magnetic Spectrometer -02 (AMS-02) has been searching for this substance since 2011. NG-12 carries new parts for AMS-02 that will be added during a series of upcoming spacewalks so that the instrument can continue to help us shed light on this mystery.

THE REMOTE EXPLORATION OF EARTH

Rovers operated by astronauts on the International Space Station will attempt to collect geological samples on Earth as part of an investigation called ANALOG-1. The samples, however, are not the important part of the study. Humans experience degraded sensorimotor functions in microgravity that could affect their operation of a robot. This study is designed to learn more about these issues, so that one day astronauts could use robots to perform research on planets they hope to walk on.

WOAH, THAT’S RAD

The AstroRad Vest is pretty rad. So rad, in fact, that it was sent up on the launch of NG-12. This vest intends to protect astronauts from harmful radiation in space. While going about normal activity on the space station, astronauts will wear AstroRad and make note of things like comfort over long periods of time. This will help researchers on Earth finalize the best design for future long duration missions.

EVEN ASTRONAUTS RECYCLE

The Made in Space Recycler (MIS) looks at how different materials on the International Space Station can be turned into filament used for 3D printing. This 3D printing is done right there in space, in the Additive Manufacturing Facility. Similar studies will be conducted on Earth so that comparisons can be made.  

FASTER, CHEAPER ACCESS TO SPACE

A collaboration between Automobili Lamborghini and the Houston Methodist Research Institute will be using NanoRacks-Craig-X FTP  to test the performance of 3D-printed carbon fiber composites in the extreme environment of space. The study could lead to materials used both in space and on Earth. For example, the study may help improve the design of implantable devices for therapeutic drug delivery.

DESSERT, FRESH FROM THE OVEN

Everyone enjoys the aroma of fresh-baked cookies, even astronauts. On future long-duration space missions, fresh-baked food could have psychological and physiological benefits for crew members, providing them with a greater variety of more nutritious meals. The Zero-G Oven experiment examines heat transfer properties and the process of baking food in microgravity.

Want to learn about more investigations heading to the space station (or even ones currently under way)? Make sure to follow @ISS_Research on Twitter and Space Station Research and Technology News on Facebook. 

If you want to see the International Space Station with your own eyes, check out Spot the Station to see it pass over your town.

“The United Nations will never give up the fight until everyone can live free and equal in dignity and rights.” – UN Secretary-General António Guterres

Do you have a favourite philosopher?

Thursday is World Philosophy Day – an opportunity to highlight the importance of critical thinking to find new ways of living together and building fairer societies.