Ten exotic passengers of the US space shuttle: sea urchin semen list (Chart)

July 11th, according to the US "connect" magazine, NASA's space shuttle Atlantis launched in July 8th and the last space shuttle mission. On this trip, Atlantis will carry two weird passengers, iPhone and variant Salmonella. In fact, some passengers in the history of the space shuttle are much more weird than the two.

Over the past 30 years, the space shuttle has carried out 134 missions, including the space telescope, the gamma ray space telescope and the X ray telescope, and more than 350 astronauts into space. At the same time, Venus, Jupiter and the sun have been studied. Apart from transporting equipment and astronauts, the shuttle also transported some very strange passengers, such as bees and fish, to allow fish to swim in a zero gravity environment. The scientific value of this research is still controversial. If there were no space shuttles, such controversy might not exist. The following are the ten most strange passengers in the history of the space shuttle.

6. nematodes

Nematode

In 2003, the shuttle was killed in an air crash on the way back, killing all the astronauts, but the tiny nematode in the Petri dish survived. The introduction of a nematode into space is intended to test a synthetic nutrient solution. Their survival proves that this nutrient solution is effective. In the 3 months after the crash of February to the end of 4, four or five generations of these nematodes were bred.

7. bees

honeybee

In 1984, more than 3000 bees in cages took the space shuttle Challenger into space. This is one of the earliest experiments on Microgravity animals. By the end of the 7 day mission, these bees have been fully adapted to weightlessness, and the honeycomb constructed is of the same thickness or geometry as the earth.

8. jellyfish

Jellyfish

In June 1991, the shuttle launched 2478 jellyfish Hydra into space for life science experiments.During the 9 day mission, these jellyfish enter the next stage of life, saucers, swimming in small bottles containing seawater. The experimental results show that the jellyfish born in space can swim freely in space, and the jellyfish born on the earth do not possess this ability.

9. mice

Mouse

Most of the microgravity experiments carried out on the space shuttle are laboratory mice. In 1998, the mouse took the space shuttle to space. The experimental results showed that mice born in microgravity environment did not get up or down. In microgravity, the fracture of rats recovered more slowly and skeletal muscle atrophy. The immature brain growing in zero gravity is similar to that of rats with central nervous system diseases.

10. squid

squid

The last space flight of the Endeavour spacecraft carried a short tail squid to study how bacteria survive on its surface. After the 2007 space flight, Salmonella became more ferocious and the possibility of killing a mouse host increased by two times. But squid and bacteria live in harmony and benefit from each other. The researchers hope to use this experiment to determine whether microgravity will turn beneficial bacteria into harmful bacteria.