Veículo
Indy100 (Reino Unido)
Em 2024: 2 notícias
Desde 1995: 3 notícias
Scientists discover that frogs can scream, but we can't hear them
Publicado em 11 abril 2024
Scientists have recorded a frog’s scream for the first time after recording the sound usually inaudible to human ears.
Earlier this year, the amphibians made headlines after a mushroom was seen sprouting from the leg of a living frog, sparking concern among experts.
But, now scientists have revealed that frogs have a defence mechanism described as “defensive ultrasound” to warn off other animals.
The discovery came when researchers in the Amazon jungle in Brazil [...]
-
Drowned 'tropical Iceland' discovered that could be worth its weight in precious minerals
Publicado emA long-lost tropical island has been discovered off the coast of Brazil which may be a treasure trove of precious minerals. The island was first chanced upon In 2018, when Brazilian and British scientists were exploring the seafloor around a volcanic plateau known as the Rio Grande Rise. Spotting some unusual rocks around 2,100 feet (650 metres) below the surface of the water, they realised that these were layers of red clay. "You just don't find red clay on the seabed," [...]ver notícia -
Rare ring spotted around dwarf planet and astronomers are baffled
Publicado em 12 fevereiro 2023Astronomers have been left baffled following the discovery of a ring around a dwarf planet. The rare occurrence has been observed inside our solar system around a newly discovered mini-planet, named Quaoar. Quaoar is around half the size of Pluto and orbits the Sun past Neptune. What makes the ring around Quaoar unusual is the distance between the system and the planet. Usually, ring systems, while rare, are possible because they orbit their planet closely. However, the one [...]ver notícia