illustration of a large purple molecular complex with a strand of orange RNA running through it and red strand emerging from it
Study Reveals Outsize Role of mRNA Region in Tuning Expression
Sophie Fessl | Jan 27, 2022
A new method helps researchers uncover the rules of ribosome recruitment in yeast.
A fresh, peeled lychee fruit held above a harvest of fresh lychees
Genome Spotlight: Lychee (Litchi chinensis)
Christie Wilcox | Jan 27, 2022
Whole genome sequences reveal multiple domestications of this agriculturally important tree and may hold the secrets to producing the sweet fruit year round.
A frog partially submerged in water looking straight ahead
Drug Cocktail Triggers Regeneration of Amputated Frog Legs
Dan Robitzski | Jan 26, 2022
A new chemical treatment allowed African clawed frogs, which normally don’t regenerate limbs, to regrow functional hind legs following amputation.
blue gloved hand putting vial of blood into centrifuge machine
Studies Identify Risk Factors for Long COVID
Natalia Mesa | Jan 26, 2022
Two recent papers provide insight into possible risk factors for developing the chronic condition, including autoantibodies and diabetes.
white mouse with pups
Doubts Raised Over Whether Mice Can Truly Inherit Immunity
David Adam | Jan 26, 2022
An independent lab fails to replicate results suggesting mammals exposed to pathogens could pass on immunological protections through epigenetic mechanisms.
A close-up image of pale green seeds inside of a green capsule taken by a scanning electron microscope
Essential Genes Protected from Mutations
Dan Robitzski | Jan 25, 2022
Epigenetic structures appear to reduce the rate of changes in genes essential for survival and reproduction, a study finds, challenging the notion that mutations are evenly distributed throughout the genome prior to selection.
hundred dollar bills with stethoscope on top
Most Medical Papers Didn’t Disclose Industry Payments: Preprint
Natalia Mesa | Jan 24, 2022
Authors of papers published in JAMA and NEJM received millions in undisclosed payments in 2017, an analysis finds.
Variety of sweeteners - Stevia, sugar, pollen and honey stock photo
How the Gut Differentiates Artificial Sweeteners from Sugars
Chloe Tenn | Jan 21, 2022
Signals from sweeteners and sugars are relayed from the gut to the brain by different neural pathways, a new study concludes.
Sign on front of a US embassy reads Embassy of the United States
Mysterious Havana Syndrome Not a Foreign Attack: CIA
Jef Akst | Jan 20, 2022
Sharing interim findings of an investigation into strange illnesses among US diplomats and intelligence officials, the CIA says it’s unlikely that they are the result of directed energy or other weapon levied by an adversary.