Boreal lakes can become darker over time by a process known as “browning.” But these darker waters do not seem to affect fish as much as researchers once thought.
A recently discovered report reveals that marine scientists found plastic in the stomach of a whale off Canada almost half a century ago. It pre-dates the famous stranding of a whale on the Norwegian island of Sotra in 2017 by 46 years.
This is most likely because they need protein to produce new sperm and a nuptial gift packed with nutrients that the female can pass on to her unborn young.
The famous mass extinction of dinosaurs also impacted oceanic animals and in particular, sharks. A new study reveals how the balance of modern shark biodiversity can be traced back to this very event.
Some animals, such as venomous snakes and insects, can use venom for predation or defense, which is an ability that has been developed through millions of years. And the evolution continues – partly due to an increasing pressure from humans.
Disease caused by the bacterium Mycoplasma bovis in dairy herds can now be diagnosed more easily and quickly, resulting in better welfare for cows and reducing financial losses for farmers.
