Were Earth's oceans completely covered by ice during the Cryogenian period, about 700 million years ago, or was there an ice-free belt of open water around the equator where sponges and other forms of life could survive? ...
Earth Sciences
Jun 13, 2022
0
594
Plants use the "lotus effect" to self-clean—water droplets simply roll off and clean the surface to reduce infestation with fungal spores, for example, as Professor Wilhelm Barthlott of the University of Bonn discovered ...
Plants & Animals
Jun 10, 2022
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170
Experienced cooks can determine when cooking oil has reached the right temperature for deep-frying by inserting moistened chopsticks in the hot oil. Bubbles form on the sticks and the sizzling sound they produce can tell ...
Soft Matter
Jun 7, 2022
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87
Proposed changes to the New South Wales English syllabus reinforce the misguided idea that the teaching of language and literacy skills should fall chiefly to English teachers, leaving other teachers to focus more on their ...
Education
Apr 21, 2022
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44
One fundamental question in the field of the Origin of Life is how the first molecules of DNA replicated and evolved on the primordial Earth, more than 4 billion years ago. Before the emergence of the first cells or any other ...
Evolution
Mar 21, 2022
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229
On mountain peaks scattered across Colorado, machines are set up to fire chemicals into the clouds in attempts to generate snow. The process is called cloud seeding, and as global temperatures rise, more countries and drought-troubled ...
Environment
Mar 17, 2022
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6
Studying the global climate—and how it's changing—involves examining thousands of small processes, chemical mechanisms, local weather phenomena, and more. One of the many factors scientists consider when studying the ...
Earth Sciences
Feb 28, 2022
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34
Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a new type of coating that, when applied on a plastic surface, prevents fogging and "self-cleans," overcoming the need for frequent ...
Materials Science
Feb 22, 2022
0
98
Griffith University researchers have solved a problem plaguing droplet-sized micro-reactors which could improve the viability for applications like drug delivery and waste management. Published in Applied Physics Letters, ...
Nanophysics
Feb 8, 2022
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16
If you've seen water drops dance and jitter on a hot pan or griddle, you've seen the Leidenfrost effect in action. Or you may have seen the "Mythbusters" episode where Adam and Jamie thrust their wet fingers and hands into ...
