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Science/Tech

Google wants to release 32 million sterile mosquitoes. Our Australian tests offer a valuable lesson | Nigel Beebe for the Conversation

21 July at 03:53 AM, via The Guardian

Google’s ‘Debug’ project in California and Florida aims to reduce mosquito numbers by releasing millions of sterilised males

In the United States, Google’s (now Alphabet) Debug initiative has asked the federal government for permission to release up to 32 million sterilised male mosquitoes in California and Florida.

Male mosquitoes don’t bite or carry disease. The hope is these millions of...

Slowdown in Arctic ice melt ends after largest winter decline on record

20 July at 21:00 PM, via The Guardian

Scientists recorded slower reduction over past 20 years, but study finds this was ‘temporary rather than sustained’

A previously recorded slowdown in Arctic sea ice decline has ended, according to a new study, with the largest year-to-year wintertime reduction ever recorded.

In a study published last summer, researchers found that melting sea ice in the Arctic had slowed down over the past 20...

Antibiotic-resistant bacteria increasingly leaving children vulnerable to common infections, global study finds

20 July at 18:00 PM, via The Guardian

Exclusive: Research spanning 82 countries finds antibiotic resistance increased in every region between 2004 and 2022

Harry Booth has had a rough run through Australia’s coldest months. The 13-year-old has been in and out of hospital with a range of common chest and urinary tract infections that his doctors found challenging to treat.

Harry was born with kidney failure and began dialysis at six...

Did you solve it? Do you think like a physicist?

20 July at 17:47 PM, via The Guardian

The answer to today’s puzzle

Earlier today I set you a puzzle about keeping homes cool in a heatwave. Here it is again with the solution.

Imagine a room with a set of curtains. When the Sun is shining, its energy comes through the windows where it is absorbed by the curtains. The curtains get hotter and hotter until they reach a temperature at which they are radiating as much heat as they...

‘Most people don’t know we’ve set up a doomsday system’: physicist Laura Grego on satellites, nuclear weapons and the battle for our skies

20 July at 15:09 PM, via The Guardian

Elon Musk is trying to own it, competing powers are trying to fight in it and nobody seems to be regulating it. So who does space really belong to?

The last time I saw Laura Grego was in a tent in a baking field on the Welsh borders in May. The conversation on stage ranged from the dangers of space debris to how the law of the sea might pertain to outer space; from our sense of the sacred to...

Monday briefing: 50 years after Viking landed on Mars, did Nasa overlook evidence of life?

20 July at 07:48 AM, via The Guardian

In today’s newsletter: ​Breakthroughs increasingly hinge not on finding something new, but on recognising what was​ missed. A leading scientist tells us why it matters

Good morning. As Andy Burnham’s search for intelligent life to appoint to cabinet continues (more on that from Libby tomorrow), First Edition sets our sights further afield, to the search for life on another red planet.

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