4+ hour, 29+ min ago  (318+ words) Is this a shark preying on another fish? The two fish on this week's cover of Nature are ancient ancestors of bony fish. Bony fish (osteichthyans), which have skeletons made of hard bone, are the root of a lineage that…...

1+ mon, 1+ week ago  (453+ words) Evolution is the process by which the genetic traits of a biological population change over many generations. Evolution typically occurs in four stages: variation, overproduction, struggle for existence, and natural selection. First, within a group of organisms of the same…...

1+ mon, 1+ week ago  (317+ words) On the 27th (local time), the international scientific journal 'Nature' featured the ongoing debate among scientists over which animal group was the first. Between 600 and 800 million years ago, multicellular organisms composed of many interacting cells appeared. Within the following tens of…...

1+ mon, 3+ week ago  (245+ words) This content was translated by an AI-powered translation tool. It may contain inaccuracies due to the limitations of machine translation. Traces of an extinct woolly rhino have been discovered in the stomach of a 14,400-year-old Ice Age wolf found in…...

3+ mon, 1+ week ago  (265+ words) This content was translated by an AI-powered translation tool. It may contain inaccuracies due to the limitations of machine translation. In 2009, a 3.4-million-year-old hominin foot bone was discovered in the Burtele region of Ethiopia. The identity of this 'mystery foot,…...