When Will the First Hotel in Space Open?
Space tourism hasn’t been just movie sci-fi for a long time. In the coming years, it is expected to take a major step forward—from short…
Is it safe to skate on a frozen lake? When yes, when not
Skating on natural ice can only be safe when the ice is thick enough, high-quality (clear and solid), and you verify it on-site. “It looks…
Why Is the Sea Salty?
The sea tastes salty even though no one “poured” salt into it. In reality, it’s the result of a long-term natural cycle: rain and rivers…
Project ASRA: Hitler’s Plan to Create Talking Dogs
When reports of an “institute where dogs answer questions” spread through German newspapers in May 1930, most readers saw them as a charming curiosity. Fifteen…
