Riviste scientifiche

Methane emissions from cows spotted from space for the first time

New Scientist - Sa, 30/04/2022 - 02:01
Satellite used to identify California farm as source of methane plumes, marking a new level of precision for independent monitoring of agriculture’s greenhouse gas emissions

[Editorial] Offshoring the asylum process: a dangerous move for health

The Lancet - Sa, 30/04/2022 - 00:00
Despite widespread condemnation of the UK's asylum partnership arrangement with Rwanda, the Home Office appears to be going ahead with its plans to relocate to east Africa people who it deems to have arrived illegally and who are therefore not eligible for asylum in the UK. The policy, formed in response to increasing arrivals of migrants in small boats (28 500 arrived to the UK in 2021), has been hailed by Prime Minister Boris Johnson as the “morally right thing to do”, and is designed to deter refugees from entering the country through “illegal, dangerous or unnecessary methods”.

[World Report] Clinical triallists in Ukraine determined to continue

The Lancet - Sa, 30/04/2022 - 00:00
Hundreds of clinical trials have been halted because of the war in Ukraine, disrupting treatment for patients and impeding research. Ed Holt reports.

[World Report] Sri Lankan health system facing lengthy shortages

The Lancet - Sa, 30/04/2022 - 00:00
An economic crisis has prompted a halt on imports, jeopardising supplies of drugs and medical equipment. Sharmila Devi reports.

[World Report] Africa CDC warns COVID-19 vaccine production could cease

The Lancet - Sa, 30/04/2022 - 00:00
A lack of demand could jeopardise manufacturing of the Johnson & Johnson vaccine in South Africa. Paul Adepoju reports.

[Perspectives] Karim Manji: architect of progress in Tanzanian newborn health

The Lancet - Sa, 30/04/2022 - 00:00
When Karim Manji trained in child health three decades ago, there were only 11 paediatricians in his native Tanzania. Today there are about 220, evidence of the progress in child health that characterises his career. As Professor in Paediatrics and Child Health at the Muhimbili University of Health and Allied Sciences, Dar-es-Salaam, Tanzania, Manji is as focused on clinical care as he is in overseeing the multicentre international research programmes that are contributing to the transformation of newborn and child health in low-income and middle-income countries (LMICs).

[Perspectives] A primatologist's perspective on gender

The Lancet - Sa, 30/04/2022 - 00:00
Dutch primatologist Frans de Waal was once asked in an interview: “How's Catherine doing?” He was not used to journalists asking about his wife. Only after some awkwardness did it transpire that the interviewer thought she was a primate he had been studying. The dedication in his latest book had read: “For Catherine, my favourite primate.” That humans are just another primate lies at the heart of de Waal's new book, Different: Gender Through the Eyes of a Primatologist, which ambitiously attempts to reconcile what we know about sex differences in behaviour among other primate species with the sex and gender differences we can see in our own.

[Perspectives] Finding hope in two pandemics

The Lancet - Sa, 30/04/2022 - 00:00
When I first returned to clinic a couple of months after the COVID-19 pandemic began, the first thing I noticed was that the bowl of candy at the front desk was gone. It had always been kept full, and I reflexively looked for my favourite lemon and orange mints. But that day, the bowl was replaced by hand sanitiser bottles neatly lined up in a row. The waiting area for patients was closed too. Only one staff member in full personal protective equipment sat at the front, screening patients individually and escorting them into examination rooms.

[Obituary] David Banta

The Lancet - Sa, 30/04/2022 - 00:00
Pioneer of health technology assessment. He was born in Electra, TX, USA, on March 3, 1938 and died of lung cancer in Amsterdam, Netherlands, on March 10, 2022 aged 84 years.

[Correspondence] Homicides by law enforcement: case definitions matter

The Lancet - Sa, 30/04/2022 - 00:00
Consistent with previous studies, the Article by the GBD 2019 Police Violence US Subnational Collaborators1 finds that the National Vital Statistics System (NVSS) data under-report approximately half of all violent deaths of civilians that occur following encounters with law enforcement.2–5 The decision not to assess the National Violent Death Reporting System (NVDRS) is unfortunate for two reasons. First, the NVDRS is the most promising surveillance database for tracking homicides by police in the USA; second, the NVDRS is excluded on the basis of the misconception that it does not capture homicides by police involving methods other than firearms.

[Correspondence] Homicides by law enforcement: case definitions matter – Authors' reply

The Lancet - Sa, 30/04/2022 - 00:00
We thank Andrew Conner and colleagues for their careful and thoughtful review of our Article.1 We greatly appreciate the feedback.

[Correspondence] Advancing the greater good: a question of wills

The Lancet - Sa, 30/04/2022 - 00:00
In their Viewpoint, Victor J Dzau and colleagues1 recommend ways academic health sciences systems (AHSS) can attend to important health-care needs. One recommendation in particular caught our attention: “AHSS across the world must come together to address global societal issues and advance the greater good.”1

[Correspondence] Academic health sciences

The Lancet - Sa, 30/04/2022 - 00:00
Victor J Dzau and colleagues’1 Viewpoint provides an important perspective about the future of academic health sciences. Their summary of “bench to bedside to population to society”1 deserves widespread analysis but is incomplete. Both population and society are impersonal constructs, whereas health care exists for individual patients. Any overarching model should be modified to include the personal element of health care. In the future, patients (ie, as people with fears and feelings) will continue to interact with doctors and health professionals at the front line of health systems when receiving advice and care.

Space test dummies will measure female radiation risk for first time

New Scientist - Ve, 29/04/2022 - 19:58
Two mannequins designed to represent female bodies will measure radiation exposure on NASA's Artemis I mission later this year, in preparation for putting the first woman on the moon

The US has a new plan to help tackle criminals using drones

New Scientist - Ve, 29/04/2022 - 14:46
Current legislation prevents local law enforcement in the US from shooting down or interfering with criminal drones

Covid-19 news: South Africa may be entering its fifth coronavirus wave

New Scientist - Ve, 29/04/2022 - 14:26
A regular round-up of the latest coronavirus news, plus insight, features and interviews from New Scientist about the covid-19 pandemic

The moon has a small but noticeable effect on climate change

New Scientist - Ve, 29/04/2022 - 13:46
An 18.6-year lunar cycle is believed to change how the tides affect the mixing of water in the oceans, affecting the rate at which they absorb heat

Spiderwebs catch microplastic particles floating in city air

New Scientist - Ve, 29/04/2022 - 11:00
Tiny plastic particles from clothing and car tyres stick to spiders’ webs in cities, which could prove useful to researchers monitoring this form of pollution

Meteorites on Mars may preserve evidence of ancient alien life

New Scientist - Ve, 29/04/2022 - 10:00
When meteorites land on Earth, microbes soon begin colonising them. If Mars once had life, microbes might have colonised meteorites there too

Harbour seals can learn how to change their voices to seem bigger

New Scientist - Ve, 29/04/2022 - 07:00
The vocal gymnastics of harbour seals, including the ability to significantly raise or lower their pitch, seem not to be down to anatomy but learning from one another
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