Josh Hader spent nearly a decade as one of baseball's most durable closers, then suffered two arm injuries in ten months. A $95 million Houston contract changed how often he pitched multiple innings, and biomechanics research suggests his dominance and his breakdown may share a cause.
Explainers Physics & EngineeringSound is not wind. It is a pattern of pressure that ripples through a medium while the molecules stay put. The same few rules explain why a passing siren drops in pitch, how headphones reduce noise, and how a 2025 material can bend and focus sound on command.
Explainers Physics & EngineeringYour brain decodes language through distributed networks that transform sound and text into meaning within hundreds of milliseconds. New research shows the system extends to the cerebellum and can keep processing language during anesthesia.
Explainers Psychology & BehaviorThe pH scale's logarithmic nature means a 0.1 unit drop represents a 25% increase in acidity. From enzyme catalysis to ocean chemistry, small shifts in hydrogen ion concentration produce dramatic consequences for biological systems and global ecosystems alike.
Explainers Science & MedicineSSRIs block serotonin reuptake within hours, but therapeutic effects take weeks. About 30% of patients do not respond adequately to initial treatment, pushing researchers toward drugs that target different pathways.
Explainers Psychology & BehaviorProbiotics work through specific biochemical pathways: SCFA production, barrier reinforcement, and immune modulation. In one mouse study, engineered microcolonies achieved 89-fold higher cecum colonization than conventional oral probiotics, showing why delivery can matter.
Explainers Science & MedicineRecent brain imaging research links emotion regulation to prefrontal-limbic circuits and whole-brain connectivity, helping explain individual differences and why practices such as meditation, neurofeedback, and controlled breathing can support regulation.
Explainers Psychology & BehaviorEven relatively simple combustion can involve hundreds of chemical species and rapid radical chemistry. In one methane-burning simulation, researchers tracked 798 distinct reactions across a 1-nanosecond run.
Explainers Physics & EngineeringA chemist's framework for measuring molecular complexity and a horror director's meditation on the undead converge on the same question. Reported studies to date indicate that molecules above a certain complexity threshold appear only in biological samples or products ultimately made by living systems.
Explainers Science & MedicinePhotosynthetic organisms convert sunlight into chemical energy, and their light-harvesting antennas can transfer energy to reaction centers with over 90% quantum efficiency under optimal conditions. Recent cryo-EM structures show how photosystems stabilize and arrange that machinery.
Explainers Science & MedicineFour molecular reactions transform raw ingredients into cooked food: proteins unfold and solidify, amino acids and sugars combine to create brown colors and complex flavors, starches absorb water and thicken, and fats break down into aromatic compounds.
Explainers Science & MedicineDopamine is often called the "pleasure chemical." Neuroscience points to a more precise story: dopamine helps drive wanting, learning, and motivation, explaining why craving can persist even when pleasure does not.
Explainers Psychology & Behavior
