A German study found that participants slept an hour longer in December than in June, regardless of their exposure to light.

德国的一项研究发现，参与者在 12 月比 6 月多睡一个小时，即使他们暴露在阳光下。

And a German study suggests it could now affect about 4% of the population!

德国的一项研究表明，它现在可能会影响大约 4% 的人口！

A German study shows that ancient Babylonians used geometry, the branch of mathematics that deals with shapes, to track the planet, Jupiter, across the night sky in the Fourth Century B.C.

德国的一项研究表明早在公元前4世纪，古巴比伦人就会使用几何学这个数学分支来解决形状问题，在夜间追踪行星木星的轨迹。

Using both subjective and objective testing methods, a German study found no measureable difference between the sense of smell of blind participants and those with sight.

德国的一项研究使用主观和客观测试方法，发现盲人参与者和视力参与者的嗅觉之间没有可测量的差异。