\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Linkin Park have unveiled the new song and video “Up From the Bottom,” one of three new tracks included on an upcoming deluxe edition of the band’s 2024 comeback album From Zero. The new song comes ...

Increased mucus production right after quitting smoking may be a positive sign that your respiratory system is recovering. According to the CDC, 1 in 4 deaths in the U.S. result from ...

But there are concerns about what this could mean for their reliability (Photo: Gareth Fuller/PA) Yet more major changes to England’s exams system are ... (EBacc) GCSE school performance measure ...

A review will consider reducing the “volume of assessment” at GCSE following concerns about ... high-stakes assessment system on wellbeing, due to the pressure that exams can place on students ...

The charity Asthma + Lung UK said that better adherence to clinical guidelines and action to tackle the root causes of poor respiratory health were “long overdue,” as breathing problems were the ...

Farther out – about 9.3 trillion miles away – sits the Oort Cloud, which some refer to as the outermost boundary of the Solar System. This region is believed ... the scattered disk it creates a spiral ...

“Our structure reveals many new ways to change PINK1, essentially switching it on, which will be life-changing for people with Parkinson’s.” Komander is corresponding author of the team’s ...

Pope Francis suffered with two episodes of acute respiratory failure on Monday. Emergency bronchoscopies performed to clear mucus and ease breathing. Doctors uncertain about recovery, with the ...

Respiratory medicine from BMJ aims to provide you with a mixture of the most important respiratory medicine resources that we publish with the latest, continually updated research articles from the ...

Figure 4: Electron energy-loss spectroscopy (EELS) as a probe of local electronic structure and composition. Figure 6: Phase space for operation of a scanning electron microscope at a fixed source ...