Biology

New Freshwater Crocodile Species Found in New Guinea

Scientists had known that New Guinea was home to a unique species of crocodile since the New Guinea crocodile (Crocodylus novaeguineae) was officially described in 1928, but since then, they have wondered if the island was actually home to two separate species, one in the north and one in the …

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Pet Cats Really Bond with Their Owners, Says New Study

Domestic cats (Felis silvestris catus) form attachments with their owners that are similar to the bonds formed by children and dogs with their caretakers, a new study from Oregon State University shows. Pet cats show a similar capacity for the formation of secure and insecure attachments towards human caregivers previously …

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Scientists Disprove Popular Theory of How DNA Binds Itself

DNA is constructed of two strands, consisting of sugar molecules and phosphate groups. Between these two strands are nitrogen bases, the compounds which make up genes, with hydrogen bonds between them. Until now, it was thought that those hydrogen bonds were what held the two strands together. But a new …

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Two New Giant Salamander Species Identified

A team of researchers from the United Kingdom, Canada and China has discovered there are not just one but three distinct species of Chinese giant salamanders. One of these species, Andrias sligoi, is possibly the world’s biggest amphibian. Wild Chinese giant salamander. Image credit: Ben Tapley, Zoological Society of London. …

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Two New Species of Electric Eels Discovered

The electric eel (Electrophorus electricus) has long been assumed to be one species, but an international team of scientists has now discovered there are actually three separate ones. Electric eel (Electrophorus electricus) at the New England Aquarium, Boston. Image credit: Steven G. Johnson / CC BY-SA 3.0. The electric eel …

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