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Last Updated:October 18, 2019

Analysis of effect on reproductive ability of mice reared on International Space Station/Kibo (October 18, 2019)

The team revealed that these mice had the normal sperm fertilizing ability and that their next-generation mice also had the normal ability to grow and the normal sperm fertilizing ability without any influence of their parent generation.

A mice habitat system in Kibo received the 2019 ISS Research Award for Innovation in Biology and Medicine! (September 11, 2019)

"ISS Research Award" are granted for creative innovations and remarkable research results achieved on the International Space Station (ISS) and the presentation takes place at the ISS Research R&D Conference (an event to introduce various activities of ISS hosted by the ISS US National Lab, NASA, and the American Astronautical Society).

Successful dietary intervention of mice using an improved MARS(Multiple Artificial-gravity Research System)under artificial 1g (August 29, 2019)

It is shown that gravity and dietary intervention of mice are simultaneously verifiable using an improved Multiple Artificial-gravity Research System (MARS). This result is published in the online journal "npj Microravity", a sister journal of the British scientific journal Nature (Nature) on July 8, 2019.

World's first long-term habitation of mice on the International Space Station in a gravitational environment simulating the Moon! -- A first step toward expanding human activities into deep space. (July 1, 2019)

As a technical demonstration for international space exploration toward the Moon and the Mars, six wild-type mice were reared for 32 days from May 5 to June 5 of 2019 in a low-gravity environment simulating that on the Moon (about one sixth of the Earth's gravity) and were all returned alive to the Earth on the 17th operational vehicle of the Dragon spacecraft (SpX-17).

Four CubeSats successfully deployed from "Kibo"! (June 25, 2019)

Four CubeSats successfully deployed from "Kibo"!

Conducted the world's first "Mission to elucidate a gateway where pathogens and immune cells are likely to enter the central nervous system using inflammatory disease model mice". Accomplished 4 consecutive missions with 100% successful live return. (June 11, 2019)

After completing long-term habitation of JAXA's 4th "Mouse habitat mission" (32 days from May 4 to June 4), which has been performed in the Japanese Experiment Module "Kibo", the mice were accommodated in return cages and returned to the west coast of the United States by the 17th operational vehicle of the Dragon spacecraft (SpX-17).

Hypergravity and microgravity exhibited reversal effects on the bone and muscle mass in mice (May 17, 2019)

Spaceflight is known to induce severe systemic bone loss and muscle atrophy of astronauts due to the circumstances of microgravity. We examined the influence of artificially produced 2G hypergravity on mice for bone and muscle mass with newly developed centrifuge device.

Direct Measurement of the Cosmic-Ray Proton Spectrum from 50 GeV to 10 TeV with the Calorimetric Electron Telescope on the International Space Station (May 13, 2019)

In this paper, we present the analysis and results of a direct measurement of the cosmic-ray proton spectrum with the CALET instrument onboard the International Space Station, including the detailed assessment of systematic uncertainties. (Link to Physical Review Letters website)

MAXI Discovers Bright Black Hole X-ray Transient "MAXI J1820+070" (May 9, 2019)

The black hole X-ray transient MAXI J1820+070 (J1820 for short) was discovered with the Monitor of All-sky X-ray Image (MAXI).

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