Reports
Recommended reports in Science, ranked by article score and freshness.
The short version There is no single "normal" color for the vulva or genitals. The skin of the labia, scrotum, and anus is often darker than skin elsewhere on the body, and that is considered perfectly normal 52 55 58 . Color varies from person to person, though it tends...
Cross cultural studies on facial attractiveness find a blend of shared preferences and distinct cultural ideals. While there is broad agreement on who looks good, researchers also see clear differences in what Asian and Western raters emphasize—especially for specific features like eyebrows, mouth size, and skin tone 1 2 ....
Your body’s gag reflex is an ancient protective feature meant to stop you from choking 1 . But sometimes it fires not from something physically touching your throat, but just from seeing or even thinking about something disgusting. That’s because your brain, your gut, and your emotions all gang up...
The short answer Scientific research shows a real link between sexual intimacy and depression, but it does not prove that lack of sex causes depression or makes it worse. These two things tend to go together in studies, but that alone does not tell us which one causes the other...
What ‘Raspberry Flavoured’ Means on a Food Label In plain terms, “raspberry flavoured” or any fruit‑flavoured label doesn’t mean the product contains real raspberries. Instead, it signals that the characteristic taste comes from added flavorings—either natural or artificial—and that the actual fruit is either missing or present in only tiny...
To understand how broad‑spectrum preventatives and air cleaning technologies could team up to lower pandemic risk, picture a layered shield that stops airborne viruses at multiple points. Each approach works a bit differently, so putting them together plugs gaps and gives you far more protection than any single measure alone...
Crowds can feel magical — a sea of people sharing a moment. But when that sea gets squeezed too tight, it can turn deadly. Science reveals that human crowds behave a lot like fluids, and understanding those physical and psychological principles gives us a real shot at preventing tragedies. Here’s...
What is post coital dysphoria? Post coital dysphoria PCD , also called post coital tristesse or the “post sex blues,” is a condition where a person feels negative emotions like sadness, anxiety, irritability, agitation, or aggression after consensual sexual activity—even when the experience was loving and physically satisfying 1 2...
The gap is real and consistent Research repeatedly finds that women wash their hands more than men. Observational data show 15% of men did not wash at all after using a public restroom, compared with 7% of women; when they did wash, only 50% of men used soap versus 78%...
NASA’s Perseverance rover has been busy exploring Jezero Crater, and its instruments have spotted a whole mix of chemical clues that could be ancient microbial fingerprints—though they’re still just “potential” biosignatures the most promising ones were flagged in February 2026 15 . Below is what the rover has found, and...
During the Apollo missions, astronauts handled their bodily waste with a surprisingly low tech approach: collect everything in special bags, store the bags temporarily, and then throw them out the door of the lunar module before blasting off from the Moon. The waste management system was an official part of...
Goose aggression: know the warning signs Before a goose attacks, it usually gives clear signals. Look out for: Hissing or honking 31 45 Lowering the head and extending the neck 45 Flapping wings 45 “Head bopping” bobbing the head up and down 45 If you hear a warning hiss, step...
Social hierarchies aren’t a one size fits all affair from the school cafeteria to the retirement home. They shift, morph, and often seem to fade as we age. Evidence suggests the journey follows an inverted U‑shaped curve, peaking in midlife, and several psychological and social tricks make the hierarchy look...
Why a Friend Might Keep Disliking Your Partners When a friend finds something wrong with every single person you date, the pattern often says more about your friend’s inner world than about your choices. Consistently knocking your romantic partners can stem from hidden personal struggles, even if the friend believes...
Why Shredded Feels So Good: The Science Behind the Natural High Reaching a very lean, muscular physique doesn’t just change your mirror reflection—it can trigger a real, noticeable natural high. The evidence points to three intertwined systems: the immediate chemical rush from hard exercise, the brain’s reward fireworks when you...
How the MEPS drug test is done At the Military Entrance Processing Station MEPS , you’ll give a urine sample under direct observation—a staff member watches you provide it to stop tampering or dilution 1 6 77 . The sample is sealed, documented, and shipped to a certified laboratory for...
What is demisexuality? Demisexuality is a sexual orientation where a person feels sexual attraction only after forming a close, strong emotional bond with someone. Unlike many other orientations, attraction is not based on appearance, smell, or first impressions—it needs that deep personal connection to develop 2 3 5 . How...
Short answer Yes, vulvar skin color is tied to a woman's overall skin tone, but not in a copy paste way. A woman's natural skin tone plays a role in how dark the private area appears 36 48 , and healthy vulvar skin can range from light pink to deep...
Why Some People Think More About Whether They Are a Good Person Several factors—from personality and upbringing to mental health, religion, and life events—can make some individuals far more likely to repeatedly examine their own moral standing. Here is what the evidence shows about each driver. The Role of Personality...
How Intranasal EVs Suppress Neuroinflammaging Pathways The Nose‑to‑Brain Express Intranasal extracellular vesicles EVs travel along the nasal route straight into the central nervous system and actively home in on sites of injury or inflammation 2 . The Texas A&M team used EVs made from human induced pluripotent stem cell‑derived neural...
