Give me a lever long enough and a place to stand and I can move the Earth

— Archimedes 200 BC

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Updated: 12 hours 42 min ago

US proposes to ease blood donor restrictions on gay and bisexual men

Mon, 01/30/2023 - 5:19pm
The US Food and Drug Administration has proposed that blood donor assessments measure individual risk and do not exclude people based on their sexual orientation or gender
Categories: Astronomy

Galaxy clusters are smashing together to form 'flaming cosmic narwhal'

Mon, 01/30/2023 - 5:13pm
Six of the most powerful astronomical observatories have captured a stunning image of Abell 2256, which is made of multiple galaxy clusters smashing together
Categories: Astronomy

Dolphins that help humans catch fish are more likely to survive

Mon, 01/30/2023 - 3:00pm
Dolphins off coast of southern Brazil drive mullet towards the nets of local fishers and in return get some extra fish themselves
Categories: Astronomy

Animals that care for young may have more mutations and evolve faster

Mon, 01/30/2023 - 11:52am
An experiment in beetles shows that when parents care for their young, the population accumulates more mutations over time, but this may have benefits
Categories: Astronomy

Inside the complex and extremely violent world of warring mongooses

Mon, 01/30/2023 - 11:45am
Banded mongooses have long been used as a model of animal cooperation. Now, researchers in Uganda are starting to get to grips with the harsh realities of their long-running and bloody battles
Categories: Astronomy

Net-zero aviation needs up to $1 trillion in carbon offsets by 2050

Mon, 01/30/2023 - 11:00am
Growing demand for air travel is counteracting the aviation industry push to achieve net-zero emissions by 2050. Carbon offsets will be necessary – or fewer passengers
Categories: Astronomy

Microplastics can be recycled to make electrodes for lithium batteries

Mon, 01/30/2023 - 10:23am
The polyethylene microplastic pollution commonly found in wastewater can be extracted to create electrodes for lithium-ion batteries
Categories: Astronomy

Only eating between 7am and 3pm helps people with obesity lose weight

Mon, 01/30/2023 - 9:48am
Intermittent fasting led to a group of people with obesity losing 7.6 kilograms in 14 weeks when combined with them receiving advice on reducing their calorie intake, compared with 3.9 kilograms among those who only received the advice
Categories: Astronomy

Doughnut-shaped laser used to create an optical fibre out of air

Sun, 01/29/2023 - 2:00am
Shooting a brief but powerful laser beam shaped like a doughnut through the air created a light pulse that acts like an optical fibre, carrying data 45 metres
Categories: Astronomy

Reports of Bigfoot rise when at least 900 black bears are in the area

Sat, 01/28/2023 - 2:00am
Where black bears are abundant, Bigfoot sightings usually follow – which could make reports of the mythical creature a way to measure American black bear populations
Categories: Astronomy

US hospitals are facing critically low supplies of liquid ibuprofen

Fri, 01/27/2023 - 3:05pm
In response to a shortage of liquid ibuprofen, the US Food and Drug Administration is temporarily allowing manufacturers to produce and distribute non-FDA approved drugs for relieving fever and pain
Categories: Astronomy

Bears may self-medicate against ticks by rubbing against trees

Fri, 01/27/2023 - 2:04pm
Brown bears often scratch their backs on trees, leaving behind chemical signals to other bears. Now, it seems the act also helps protect them from ticks
Categories: Astronomy

Two of the UK's water companies are still using dowsing to find leaks

Fri, 01/27/2023 - 11:33am
Most UK water companies have dropped the scientifically discredited method of dowsing to find water leaks, but Thames Water and Severn Trent Water say they still use it
Categories: Astronomy

Solar panel cleaning robot can be dropped off and picked up by drone

Fri, 01/27/2023 - 11:19am
Dirty solar panels reduce global solar energy output as much as 5 per cent, but a start-up in Israel has tested drone delivery of a new autonomous robot to clean rooftop arrays
Categories: Astronomy

Multicellular life may have begun with brief alliances between cells

Fri, 01/27/2023 - 11:02am
Single-celled organisms called Stentor can feed more efficiently by pairing up, illustrating a possible stage in the evolution of complex life forms
Categories: Astronomy

US childhood obesity guidelines may rush the use of drugs or surgery

Fri, 01/27/2023 - 11:02am
The American Academy of Pediatrics recommends intensive interventions to manage weight loss, including drugs and surgery – but it’s unclear whether they will reduce childhood obesity
Categories: Astronomy

‘Love hormone' may not be crucial for social bonding after all

Fri, 01/27/2023 - 11:00am
Prairie voles still form social bonds without oxytocin sensors in the brain. The findings challenge the long-held belief that the hormone is a crucial part of the bonding process for all mammals
Categories: Astronomy

Taxing sugary drinks may not cut obesity as much as headlines claim

Fri, 01/27/2023 - 10:29am
A study finds the UK’s 2018 sugar tax prevented 5000 cases of obesity in school girls in England, but the picture is more murky than headlines suggest
Categories: Astronomy

We can reduce homelessness if we follow the science on what works

Thu, 01/26/2023 - 2:26pm
Decades of research have shown that focusing on housing, without making sobriety or mental health treatment a prerequisite, is the most effective way to reduce homelessness
Categories: Astronomy

Preterm babies have a similar BMI at adolescence to peers born at term

Thu, 01/26/2023 - 2:00pm
By the time premature babies reach 14 to 19 years of age, they have, on average, a similar body mass index to peers born at term, according to an analysis of more than 250,000 people
Categories: Astronomy