There are three ways to look for evidence of alien technological civilizations. One is to look out for deliberate attempts by them to communicate their existence, for example, through radio broadcasts. Another is to look ...
Astronomy
May 25, 2024
34
1136
Forget about anti-ageing creams and hair treatments. If you want to stay young, get a fast spaceship. That is what Einstein's Theory of Relativity predicted a century ago, and it is commonly known as "twin paradox".
General Physics
Apr 16, 2014
973
2
The planet is undergoing one of the largest changes in climate since the dinosaurs went extinct. But what might be even more troubling for humans, plants and animals is the speed of the change. Stanford climate scientists ...
Environment
Aug 1, 2013
234
0
Something big happened to the planet about a million years ago. There was a major shift in the response of Earth's climate system to variations in our orbit around the Sun. The shift is called the Mid-Pleistocene Transition. ...
Earth Sciences
Nov 8, 2021
2
2904
Australia will adjust its latitude and longitude, a government science body says, to put the vast country into alignment with global navigation satellite systems.
Hi Tech & Innovation
Jul 30, 2016
5
828
The combination of human and computer intelligence might be just what we need to solve the "wicked" problems of the world, such as climate change and geopolitical conflict, say researchers from the Human Computation Institute ...
Computer Sciences
Dec 31, 2015
43
1981
A new study updates the planetary boundary framework and shows human activities are increasingly impacting the planet and, thereby, increasing the risk of triggering dramatic changes in overall Earth conditions.
Earth Sciences
Sep 13, 2023
8
298
A new study by researchers at the University of Exeter has found early warning signals of a reorganisation of the Atlantic oceans' circulation which could have a profound impact on the global climate system.
Earth Sciences
Dec 8, 2014
43
1
University of Michigan researchers and their University of Hawaii colleagues say they've solved the longstanding mystery of how mercury gets into open-ocean fish, and their findings suggest that levels of the toxin in Pacific ...
Environment
Aug 25, 2013
1
0
The American Dust Bowl of the 1930s—captured by the novels of John Steinbeck—was an environmental and socio-economic disaster that worsened the Great Depression.
Environment
Mar 20, 2020
10
557
