Guardian science correspondents Linda Geddes, Nicola Davis, and Hannah Devlin discuss the science behind the Nobel Prizes. They cover topics such as mRNA technology, attosecond pulses of light, and the discovery of quantum dots with potential applications in TV screens and medical imaging.
mRNA technology has revolutionized vaccine development, paving the way for mRNA vaccines against various diseases.
The Nobel Prize in Physics was awarded for the discovery of atto-second pulses, enabling the observation of extremely fast processes in atoms and molecules.
Deep dives
Nobel Prize for mRNA Technology and Its Applications in Vaccines
Kathleen Carrico and Drew Weisman won the Nobel Prize for their research on mRNA technology, which has revolutionized vaccine development. mRNA is a molecule that acts as an intermediary between our genetic code and the protein manufacturing machines in our cells. By creating synthetic mRNA for specific proteins, such as the coronavirus spike protein, and delivering it into cells, mRNA vaccines stimulate the immune system to fight diseases. Carrico and Weisman's work focused on safely injecting mRNA and modifying its nucleotides to increase protein production. Their pioneering research has paved the way for using mRNA in vaccines against various diseases, including flu, HIV, and malaria.
Nobel Prize for Ultrashort Light Pulses for Studying Atoms and Molecules
Pierre Agostini, Ferenc Krauts, and Anduelier received the Nobel Prize for their work on generating ultrashort pulses of light, known as atto-second pulses. These brief bursts of light enable the observation of extremely fast processes happening in atoms and molecules. Atto-seconds are incredibly short time intervals, allowing scientists to study events like electron movement between atoms. The laureates used infrared laser light and noble gases to create the atto-second pulses, which have potential applications in ultra-fast electronics and molecular fingerprinting for detecting diseases like cancer. Their groundbreaking work has provided new insights into the fundamental dynamics of matter.
Nobel Prize for Quantum Dots and Their Unique Properties
Louis Bruce, Mengee Buendy, and Alexei Ekimov were awarded the Nobel Prize for their discovery and manipulation of quantum dots. Quantum dots are tiny nanocrystals that exhibit unique properties due to quantum effects. By varying their size, quantum dots emit light at specific wavelengths when exposed to light. These nanomaterials have applications in high-resolution TV screens and medical diagnostics, where they can be used to identify specific biological molecules or aid in the development of ultra-fast electronic devices. The laureates' work has advanced our understanding of how materials behave at the nanoscale and opened up possibilities for future technological advancements.
Guardian science correspondents Linda Geddes, Nicola Davis and Hannah Devlin give Madeleine Finlay the lowdown on the Nobel Prizes for medicine, physics and chemistry that were announced this week. Help support our independent journalism at theguardian.com/sciencepod
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