Do cats purr when humans aren't around?
Why do cats purr? Humans tend to think that purring is a sign of happiness in a cat – and indeed it can be – but there are other reasons why our feline friends produce this particular vocalisation.
Why do cats purr? Humans tend to think that purring is a sign of happiness in a cat – and indeed it can be – but there are other reasons why our feline friends produce this particular vocalisation.
Plants & Animals
Jul 3, 2017
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New research indicates that bark beetle outbreaks in forests create several new roosting and foraging possibilities for the protected bat species Barbastella barbastellus.
Environment
Jul 3, 2017
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154
Researchers have gained new insights into the mechanisms with which certain proteins help the immune defence mechanism in the human body. Pathogens such as viruses or bacteria are wrapped in membrane blebs and rendered harmless ...
Cell & Microbiology
Jul 3, 2017
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3
Phages have become a focus of research in the battle against antibiotic resistance. These bacteria-eating viruses have already proven effective in experiments against multidrug-resistant bacteria. However, the atomic structure ...
Biochemistry
Jul 3, 2017
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10
Ceramic fuel cell technology has a tremendous potential for clean energy production.
Materials Science
Jul 3, 2017
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2
Assessing old bridges using modern standards is no mean feat. Studies conducted by TU Wien show that many bridges are actually significantly more stable than might be expected, often rendering costly restoration work unnecessary.
Engineering
Jul 3, 2017
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The international Cassini spacecraft has completed half of the 22 dives between Saturn and its rings before concluding its mission on 15 September. Cassini has been exploring the Saturnian system for 13 years, and has been ...
Space Exploration
Jul 3, 2017
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(Phys.org)—Astronomers have detected a new faint dwarf spheroidal galaxy using Japan's Subaru Telescope located in Hawaii. The newly found dwarf, designated d1005+68, belongs to a nearby galaxy group known as the M81 Group. ...
(Phys.org)—Professor Charles Tyler of the University of Exeter in Britain (and colleagues) has conducted a study of the impact of chemicals from human waste treatment plants in rivers and streams on the fish that live in ...
Kyle Ewart has developed a test that can identify whether a horn is rhino or not – fast enough to allow police to prosecute poachers, traders and customers.
Ecology
Jul 3, 2017
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