When prescription depression drugs fall short in efficacy, there’s an off-label way to help them work better: add-on doses of thyroid hormone. Clinicians have long known about this approach and some ...

The round sign is iconic, printed on T-shirts and keychains. A black circle rings the perimeter, with five black lines slicing diagonally from bottom left to top right. To spot this sign in the wild, ...

Germany's national highway system — commonly known as the Autobahn — looks like many other highway systems in the world, except for its most famous feature: long stretches where you are legally ...

The answer to whether Germany's Autobahn has a speed limit is — yes and no. While around half of the Autobahn system has no posted speed limits, one-third of the Autobahn has a permanent, posted limit ...

Germany’s autobahn is not just a freeway network, it is also one of the country’s best known cultural exports. Ask a gearhead to nominate facts about Deutschland and the lack of speed limits over much ...