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Using artificial intelligence, researchers have come up with a new way to design nanoparticles that can more efficiently deliver RNA vaccines and other types of RNA therapies.

A study of 236 young adults found that caffeine consumption, especially in the morning, significantly boosts positive mood and enthusiasm. Smaller reductions in sadness were also noted.

New nationwide vulnerability index reveals 20% annual increase in outage severity since 2019, with East and West coasts, Great Lakes and Gulf regions facing the highest risk of weather-induced blackouts.

Researchers tweaked a key enzyme involved in microbial methane production to understand the unique fingerprints of different environments on Earth that generate the greenhouse gas.

The researchers found that iron limitation causes up to 25% of light-harvesting proteins in algae to become “uncoupled” from the energy-producing centers, effectively reducing energy conversion.

Scientists have developed a bio-engineered molecule that uses a natural compound found in citrus fruits to target and treat inflammation.

In a study of nearly 500 birds from five species – including magpies, kookaburras, pigeons and lorikeets – researchers found that up to 6 percent had the physical features of one sex but the genetic makeup of the other.

Researchers found that reed beetle symbionts alter gene activity to meet larval and adult dietary needs, producing amino acids for larvae and plant cell wall–digesting enzymes for adults.

Toothpaste made from your own hair may offer a sustainable and clinically effective way to protect and repair damaged teeth.

The international review report is based this year on contributions from 589 scientists in 58 countries.