Learn more about the pathway of oxygen transport from inspired gas to tissue metabolismin health and disease, and the acid-base balance and its impact on oxygen transport.

When a former Labour deputy leader joins a firm built on surveillance and military targeting, it deepens public cynicism – and democracy depends on trust, says Labour MP Clive Lewis

El Niño poses critical threat to nations’ defences, says Ed Miliband in presentation to global foreign ministers

The European Union will propose ​a ban restricting under 15s from social media, video sharing platforms, AI chatbots and online games, ‌in the most sweeping plan yet to protect children from online dangers, a European Commission document seen by Reuters shows.

As revelations about Reform UK’s donors emerge, it’s clear that increasingly complex forms of patronage can’t be regulated effectively. We need a clean sweep, says columnist George Monbiot

Anthropic CEO Dario Amodei said he was worried about the ability to control self-improving AI models.

The UK has attacked ‘settler terrorism’ deployed in a campaign of ethnic cleansing in the West Bank, whilst announcing sweeping sanctions on trade with Israeli settlements in occupied Palestine. Lucy Hough speaks to chief Middle East correspondent Emma Graham-Harrison

Taraneh Rahimi was told prison guards would rape her sister, Romina, if she did not sign a confession The twins were 19 and still in high school when they were taken from their beds in the dead of night by masked men later identified as being sent by the Islamic Revolutionary Guards Corps. After four months of desperately seeking news from hospitals and state institutions, their mother, Marzieh Nourmohammadi, finally learned their fate. Taraneh and Romina Rahimi had been seized over their decision to join millions on the streets of Iranian cities during the January protests against the regime. The twins were unrecognisable by the time of their mother’s prison visit in May. Continue reading...

Being subservient to the interests of the wealthy now means that his hands are tied, and he will be unable to tackle Britain’s most pressing issues, says Guardian columnist George Monbiot

To develop a series of consensus statements regarding the operative and non-operative management of hip fracture patients.

The cholesterol-busting drugs are more effective the earlier in life they are taken, 15-year research project indicates Statins can lower the risk of dementia by 15%, and the earlier in life they are taken the higher the chances of avoiding the disease, a 15-year study suggests. The number of people living with dementia globally is forecast to nearly triple to 153 million by 2050. But experts believe almost half of dementia cases could be prevented or delayed. Continue reading...

Could the war in Iran do even more damage to the US than Iraq?

An arbitrator ordered the newspaper to reinstate Karen Attiah, who was fired after posting about “white men who espouse hatred and violence” following Charlie Kirk’s killing.