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Two hurdles mRNA drugs face are a short half-life and impurities that trigger immune responses. Christoph Burgstedt/Science Photo Library via Getty Images

First mRNA flu shot approved by FDA bodes well for improving drugs of the future – though a few hurdles remain before mRNA can move beyond vaccines

From COVID-19 vaccines to Moderna’s mRNA flu vaccine, using mRNA as medicine has shown promise. But before mRNA drugs can go beyond vaccines, researchers need to identify the right diseases to treat.
SpaceX aims to use rockets like its Falcon 9 to bring cargo to and from orbit, as well as between different points on Earth. AP Photo/John Raoux

SpaceX aims to use rockets to quickly transport cargo across the Earth and into orbit – moves that would expand the global cargo system

Point-to-point rocket delivery could cut down on transportation times. But engineers will need to figure out how to integrate rockets into current transportation systems.
Expressive humanoid robots are intended to make people feel at ease when interacting with them. Pau Barrena/AFP via Getty Images

When expressive humanoid robots are awkward, people become wary – new brain study

People who interact with expressive robots that make mistakes react with suspicion rather than seeing the bots as malfunctioning machines.
Under usual, everyday conditions, carbon atoms exist as stacks of hexagonal sheets, but extreme pressure and heat rearrange them to form diamonds. Kateryna Kon/Science Photo Library via Getty Images

Can we remove or decrease spaces between atoms or molecules?

Turns out, changing the way atoms and molecules are arranged in a substance can give it new and fascinating properties.
Egypt head coach Hossam Hassan argues with referee François Letexier during the Argentina-Egypt World Cup match on July 7, 2026. AP Photo/Erik S. Lesser

What video review controversies in sports reveal about AI and human decision‑making

The World Cup’s VAR controversies reveal a broader challenge for AI-assisted decision-making: deciding what AI should handle, what it should support and what should be left to human judgment.
Women under 50 may experience early-onset menopause as a result of cancer treatment. Kathrin Ziegler/DigitalVision via Getty Images

Flawed studies linking hormone therapy to breast cancer made doctors reluctant to prescribe it for menopause relief – especially for breast cancer survivors

Menopausal hormone therapy no longer has the highest-level warning label about the risk of breast cancer, opening a gray area on who would benefit most from treatment.