Finally, the astronauts will descend to the lunar surface. After their sortie on the moon, they'll return to the orbital station.

The protostoma with its wall—the protorhabdion—is the major part of the stoma.

We have previously shown that treating rats with the reversible goitrogen 6-propyl-2-thiouracil (PTU) from birth to Day 25 increases testis size and sperm production in adulthood by up to 80% and 140%, respectively.

I'd been to the 'G' before to watch AFL games and had played kick-to-kick on the surface with my mates after the final siren, but this was a special day because we'd been asked to do a lap of honour.