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Scientists linked hamsters in a Hong Kong pet shop to 50 cases of the Delta variant in what appears to be the second documented occurrence of animals infecting people with SARS-CoV-2.

A study uncovers a novel connection between the biomolecule and cancer progression.

Multiple prestigious US biomedical research awards have rarely or never been granted to a scientist with Asian ancestry, illustrating racial bias within American research societies and institutions, a researcher argues.

First, the genetically engineered cells became CD8⁺ killer T cells that wiped out his leukemia. Then they transformed into a stable population of CD4⁺ helper T cells that continue to circulate in his body.

When coated with positively charged particles, the bacteria shuttled antigens out of tumors and activated the immune system, a study finds.

Smoking during pregnancy changes marks on placental DNA, altering its responses to environmental stressors.

The genes are involved in pacing the development of inhibitory and excitatory neurons. An imbalance in these two types of signaling is thought to play a role in autism.

Only half of volunteers deliberately exposed to SARS-CoV-2 developed an infection. None developed serious symptoms, paving the way for further challenge trials.

Scientists warn that climate change–induced early flowering could have negative effects on wildlife, agriculture, and gardening.

A new study of tree biodiversity estimates that Earth boasts 14 percent more tree species than previous efforts have identified.

Before its association with a pining for the toys or TV shows of yesteryear, nostalgia was deemed a dangerous psychiatric disorder.

Dampwood termites with the potential to leave the colony have larger optic lobes before ever being exposed to different visual environments, an example of predictive brain plasticity.