U.S. regulators on Tuesday banned swimming with Hawaii's spinner dolphins to protect the nocturnal animals from people seeking close encounters with the playful species.
Ecology
Sep 29, 2021
0
40
A research team from the University of Helsinki has discovered a tree hyrax in the Taita Hills, Kenya, which may belong to a species previously unknown to science.
Plants & Animals
Dec 22, 2020
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124
Researchers from La Trobe University have found that, in the absence of natural predators such as bilbies, native scorpions are thriving in Australia's damaged sandy landscape.
Ecology
Sep 14, 2020
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38
Humans are diurnal—we are active in the day and sleep at night. But diurnalism is by far the exception rather the rule in mammals. About 250-230 million years ago, the mammalian ancestors, called the therapsids, became ...
Evolution
Oct 15, 2019
0
101
Nocturnal and diurnal mammals see the same—but only for a brief time. When mice are born, the chromatin in the cells of their eyes has a diurnal structure. Day by day, the layout of this chromatin slowly inverts, allowing ...
Molecular & Computational biology
Sep 11, 2019
0
212
An international team of scientists studying the elusive nocturnal primate the slow loris in the jungles of Borneo have discovered an entirely new species. The team's analysis of the primate's distinctive facial fur markings, ...
Plants & Animals
Dec 13, 2012
4
0
Since the age of dinosaurs, most species of day-active mammals have retained the imprint of nocturnal life in their eye structures. Humans and other anthropoid primates, such as monkeys and apes, are the only groups that ...
Plants & Animals
Oct 30, 2012
2
0
Are dingoes the top dog in the Australian bush and do they have a role in protecting our native biodiversity against the impacts of feral cats?
Plants & Animals
Oct 24, 2012
0
0
The eyes of nocturnal mammals contain particularly large numbers of the highly light-sensitive rods, the photoreceptor type used for night vision. This allows the detection of light levels millions of times lower than daylight. ...
Cell & Microbiology
Apr 20, 2009
0
0
Like kids taking apart a fine Swiss watch, scientists are laboring to understand what makes the biological clock that's inside every living creature tick.
Feb 8, 2009
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0
