Tardigrades have wowed biologists since their first discovery in 1773. Today the microscopic 'little water bears' are infamous for their extraordinary resilience in extreme conditions such as cold, heat, radiation, and even the vacuums of space.
Researchers were able to grow mice embryos outside of a living womb using a mechanical uterus that provides nutrients and ventilation for the mice embryos.
It is easy to observe the overall health and psychological consequences of life in captivity for these animals. Many captive elephants suffer from arthritis, obesity, or skin problems. Both elephants and orcas often have severe dental problems. Captive orcas are plagued by pneumonia, kidney disease, gastrointestinal illnesses, and infections.
Researchers are turning to artificial intelligence (AI) in speeding up conservation efforts for orchids and other species, automating the assessment process.
Eating fish, then, seems preferable to meat. In fact, according to the Global Aquaculture Alliance, 3.1 billion people around the world now rely on fish and seafood for a fifth of their daily animal protein intake. Fish are also one of our only sources of long-chain omega-3 fatty acids.