Quantum secure direct communication (QSDC) based on entanglement can directly transmit confidential information. Scientist in China explored a QSDC network based on time-energy entanglement and sum-frequency generation. The ...
Quantum Physics
Sep 23, 2021
0
169
The long-distance migrations performed by groups of animals offer some of the most spectacular natural phenomena on our planet.
Plants & Animals
Sep 30, 2021
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10
The manner and routes of dispersal vary with the species and the ecological conditions. Many fish form shoals to avoid predation. Shoaling with familiar conspecifics affords the fish an even greater advantage by increasing ...
Ecology
Jan 23, 2015
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58
The Tibetan plateau—the world's highest and largest plateau—poses a challenge to the people who live there because of its extreme climate. In a new study, researchers have discovered stone artifacts that suggest that ...
Archaeology
Apr 29, 2024
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276
Researchers have discovered hundreds of historical accounts of humans hunting prey by chasing them down over long distances, which some believe is why we evolved our unique talent for endurance running.
Plants & Animals
May 18, 2024
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27
The best microphone in the world might have an unexpected source: spider silk. Spiders weave webs to trap their insect snacks, but the sticky strands also help spiders hear.
Plants & Animals
May 16, 2024
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96
Storm Eunice killed at least nine people in Europe on Friday, pummelling Britain with record-breaking winds and forcing millions to take shelter as it disrupted flights, trains and ferries across Western Europe.
Environment
Feb 18, 2022
1
9
The current Ebola outbreak shows how quickly diseases can spread with global jet travel. Yet knowing how to predict the spread of these epidemics is still uncertain, because the complicated models used are not fully understood, ...
General Physics
Nov 5, 2014
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0
Swinburne University of Technology Faculty of Design academics have devised a new smartphone app that can be used by teenagers to let parents know they are safe, and also by adults to let family, friends and emergency workers ...
Software
Dec 18, 2012
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0
Mechanisms of plant colonization after long-distance dispersal (LDD) and current related knowledge were the topic of a review by Prof. Li Dezhu's team at the Kunming Institute of Botany of the Chinese Academy of Sciences ...
Plants & Animals
Nov 29, 2022
0
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