An atmospheric scientist explains why water can do some strange-looking things at very cold temperatures, and what's different about snowfalls on Mars.
Sea ice responds to changes in winds and ocean currents, sometimes with origins thousands of kilometres away.
NASA/Nathan Kurtz
Antarctic sea ice cover fell to an all-time low recently and hasn't yet recovered. Why? The initial answers could lie in an unlikely place – the tropics.
Water is one of very few chemicals that is found as a liquid, solid and gas at any time on Earth. These three states of water help explain why ice makes a cracking sound when water is poured over it.
A blizzard in Steamboat Springs, Colorado, in 2005.
Greg Younger
Governments and private companies have been seeding clouds to create snow for decades, without proof that it actually works. A recent study peered into clouds in search of answers.
No matter how cold it is, you're lucky you don't live on Venus.
It doesn’t matter if you’re male, female, young or old, the major risk factor for ice induced psychosis is how much you use it and how addicted you are.
from www.shutterstock.com
Let's take claims about the value of drug seizures with a grain of salt.
Police seized 200kg of methamphetamine during a drug bust in Perth, Western Australia, in May 2016.
AAP Image/Department of Immigration and Border Protection
West Australian Labor leader Mark McGowan said his state has the "worst rate of methamphetamine usage in the country". We asked the experts to check the evidence.
Ice Wars invokes fear and stigma - both of which are very unhelpful in battling drug dependence.
Screen Shot/ABC website
Without doubt, crystal methamphetamine, like many drugs (including alcohol) is capable of causing immense harm. But when facts are distorted to create fear and stigma it helps no one.
Sea ice covering the Arctic Ocean during the winter peak in February 2015.
NASA's Scientific Visualization Studio
Australia is following the lead of the United States and sending ex-ice users into schools in the hope they can impact kids' attitudes towards drug use and prevent use.
Ceres’ Haulani Crater shows evidence of landslides from its crater rim.
NASA/JPL-Caltech/UCLA/MPS/DLR/IDA
Around 2.3% of Aboriginal and Torres Strait Islander Australians 15 years and over report using speed or amphetamine in the past year. This is similar to the general population.
Ice is more readily smoked than other methamphetamines, but can also be injected.
from shutterstock.com
Ice is a slang name for crystal methamphetamine – a stimulant drug that is swallowed, smoked or injected. It works by activating the reward pathways in the brain, producing feelings of alertness.
ARC Future Fellow, Research School of Earth Sciences; Chief Investigator for the ARC Centre of Excellence for Climate Extremes, Australian National University