In his youth, NASA technologist Les Johnson was riveted by the 1974 novel "The Mote in God's Eye," by Jerry Pournelle and Larry Niven, in which an alien spacecraft propelled by solar sails visits humanity. Today, Johnson ...
Space Exploration
Feb 13, 2024
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11
Transforming food systems around the world would lead to socio-economic benefits summing up to US $5–10 trillion a year, shows a new global policy report produced by leading economists and scientists of the Food System ...
Economics & Business
Jan 29, 2024
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13
Researchers from Osaka University investigated the thermal energy changes across nanopores that allow the selective flow of ions. Switching off the flow of ions in one direction led to a cooling effect. The findings have ...
Nanophysics
Dec 11, 2023
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China's space program has advanced by leaps and bounds in a relatively short time. However, it has suffered some bad publicity in recent years due to certain "uncontrolled reentries" (aka crashes). On multiple occasions, ...
Space Exploration
Jun 13, 2023
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The European Space Agency's JUICE mission to explore Jupiter's icy, ocean-bearing moons will again try to blast off on Friday, a day after the first launch attempt was called off due to the threat of lightning.
Space Exploration
Apr 14, 2023
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5
Have a cough, sore throat and congestion? Any number of respiratory viruses could be responsible. Conventional tests can identify certain likely culprits by relying on chemical reactions, but some researchers want to swap ...
Analytical Chemistry
Mar 28, 2023
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34
Inclusivity and understanding past policies and their effects on underserved and marginalized communities must be part of urban planning, design, and public policy efforts for cities.
Environment
Jan 23, 2023
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The world's aging population, the growing burden of chronic and infectious diseases, and the emergence of novel pathogens have made the need for new treatments more urgent than ever. Yet, discovering a new drug and bringing ...
Biochemistry
Nov 16, 2022
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40
The risks from climate change are likely to be greater than economists usually calculate, because their models routinely exclude potentially devastating but hard-to-quantify threats such as the collapse of ocean circulation ...
Environment
Oct 28, 2022
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198
Russia's announcement this week that it will leave the International Space Station "after 2024" raises critical questions about the outpost's future viability.
Space Exploration
Jul 29, 2022
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