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female getting a shot in the arm

HPV Vaccine Has Driven Cervical Cancer Deaths in England’s Youngest Women Down to Nothing

ESA rover Rosalind Franklin

How a Mars Life Detector Traced Meteorite Grime to Car Exhaust

The asteroid Donaldjohanson as seen by the Lucy Long-Range Reconnaissance Imager (L’LORRI).

Tiny Asteroid Donaldjohanson Tumbles Because Sunlight Slowed It Down

The nitrate-nitrite-nitric oxide (NO3− → NO2− → NO) pathway and the proposed effects of sugar-containing acidic gum versus sugar-free gum on nitrate metabolism. By lowering salivary pH, acidic gum may enhance the conversion of nitrate to nitrite by bacterial nitrate reductases on the tongue. Nitrite is then absorbed in the upper small intestine, increasing circulating nitrite levels that can be reduced to nitric oxide, promoting vasodilation and lowering blood pressure. Nitrate originates from dietary sources, such as beetroot juice, and from the oxidation of nitric oxide produced by nitric oxide synthase (NOS).

Chewing Sugary Gum After a Beetroot Shot Pushes Blood Pressure Down

explosion in woodland

Repeated Low-Level Blasts in Military Training Are Linked to Later Anger and Aggression

fish oil

Fish Oil Reaches the Brain but Fails to Slow Alzheimer’s Decline

Banded mongooses (Mungos mungo) can cooperate with common warthogs (Phacochoerus africanus) by cleaning them, removing ticks and other parasites, while the warthogs provide access to food and safety from predators through their vigilance and presence. Example footage from Queen Elizabeth National Park, Uganda.

What Animals Are Saying to Each Other When They Team Up Across the Species Line

Grove of Oil palms seen from overhead

Palm, Coconut and Soybean Drive Most of the Biodiversity Loss Hidden in Everyday Products

girl scrolling on smart phone

Years on Instagram May Loosen Your Brain’s Grip on Which Face Is Yours

Research team photo. From left: Jeongho Park, engineer at GraphAI and second author; Donghyoung Han, CTO of GraphAI and third author; Geonho Lee, Ph.D. student in the KAIST School of Computing and first author; and Professor Min-Soo Kim of the KAIST School of Computing, corresponding author.

Korean Database Rebuild Aims to Cure AI’s Habit of Making Things Up

This artistic illustration of the Pink Planet, or GJ504b, orbiting its host star. Astronomers think the object is pink because it's incredibly old (between 2.5 billion and 4 billion years old) and cold.

Coldest Alien World We Have Ever Photographed Has Skies Full of Salt

University of Virginia School of Medicine researchers led by Jason Papin, PhD, analyzed more than 350 over-the-counter probiotics sold at the three largest pharmacy chains in the United States.

Most Probiotics Aren’t Chosen for What They Actually Do, a Sweeping Pharmacy Survey Finds

shadow blaster galaxy

A Ghost Particle from Cosmic Noon Points to a Hidden Class of Neutrino Factory

The figure provides a comprehensive, multidisciplinary process to guide and personalize innovative obesity care.

Why the Weight-Loss Drug Revolution Still Needs Surgeons, Scopes and a Plan

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