
How satellites, radar and drones are tracking meteorites and aiding Earth's asteroid defence
Nov 23, 2022 05:07 am UTC| Science
On July 31 2013 a constellation of US defence satellites saw a streak of light over South Australia as a rock from outer space burned through Earths atmosphere on its way to crash into the ground below. The impact...

Excessive use of nitrogenous fertilizers causes sharp greenhouse gas emissions increase: Study
Nov 11, 2022 23:28 pm UTC| Nature Science Business Economy
The excessive use of nitrogenous fertilizers for rice farming results in a sharp increase in the emission of nitrous oxide, the major greenhouse gas contributor, according to study by the Gyeonggi-do Agricultural Research ...
Signatures of alien technology could be how humanity first finds extraterrestrial life
Oct 24, 2022 17:31 pm UTC| Science
If an alien were to look at Earth, many human technologies from cell towers to fluorescent light bulbs could be a beacon signifying the presence of life. We are two astronomers who work on the search for...

Oct 19, 2022 08:52 am UTC| Science
Virgin Orbit, a US company which provides launch services for satellites, has announced that the first orbital space mission from the UK will blast off from Cornwall. The rocket, which will carry nine satellites, along...

Oct 19, 2022 08:44 am UTC| Science
In some parts of South Africas Mpumalanga and KwaZulu-Natal provinces, sugarcane fields stretch as far as the eye can see. The crop is more than just a treat for those with a sweet tooth: in 2017 the countrys sugar...
Oct 13, 2022 11:58 am UTC| Science
With just an incubator and some broth, researchers can grow reusable filters made of bacteria to clean up polluted water, detect chemicals in the environment and protect surfaces from rust and mold. I am a synthetic...

DNA is often used in solving crimes. But how does DNA profiling actually work?
Oct 13, 2022 11:53 am UTC| Science
DNA profiling is frequently in the news. Public interest is sparked when DNA is used to identify a suspect or human remains, or resolves a cold case that seems all but forgotten. Very occasionally, it is in the media...