Ever since Charles Darwin found spiders inexplicably appearing onboard HMS Beagle in 1832, scientists wondered about mechanisms allowing spiders to travel in the air. Charles Darwin was surprised to find thousands of small red spiders aboard his ship which was 60 miles offshore. “In the evening all the ropes were coated & fringed with Gossamer web,” wrote Darwin in his diary. The tiny arachnids were wingless, as all spiders are.
Not only World War II started in 1939 in Europe. Another disturbing event that went on until 1980s was epidemic of rabies. The disease was carried by red foxes, and it spread onto domestic animals. Rabies is almost always fatal, also for humans (unless a vaccine is provided).
Heroin and synthetic opioids are among most dangerous drugs in the world. Heroin has caused almost 16,000 deaths in the United States in 2017, a huge increase from 2,000-3,000 annual deaths between 2002 and 2010. This tragic trend asks for solutions. Other countries may have found them, but some persons may not like this treatment idea.