News
- Chemistry
A new portable device can reveal a chili pepper’s heat
The “Chilica-pod” measures levels of the fiery capsaicin compound in peppers.
- Health & Medicine
Pfizer’s COVID-19 vaccine is 90% effective, preliminary trial data show
An analysis of 94 COVID-19 cases shows that the mRNA-based vaccine can protect people from getting sick, though the trial is ongoing.
- Space
Jupiter’s icy moon Europa may glow in the dark
Europa’s potential “ice glow” could help scientists map the chemical composition of its surface — and the ocean underneath.
- Genetics
Penicillin allergies may be linked to one immune system gene
Researchers have located a shared hot spot — on the HLA-B gene — in the immune system in people who say they have penicillin allergies.
