Used for gripping limbs, a “pseudo-thumb” makes the hands of these bizarre primates even creepier
Source: These Primates Have Six-Fingered Hands | Science | Smithsonian
CT scans show layered bone covers the adult reptile’s body, likely to protect them when fighting for mates and food.
Source: Komodo Dragons Have Skin That Looks Like Chain Mail | Smart News | Smithsonian
Her findings led to cautions against X-rays for pregnant women. She also discovered that the presence of the Y chromosome meant a mammalian embryo was male.
It can feel like we have a firm sense of our histories. But we can only make out the twigs.
Read comic: I, Germ Line – by Mike Dawson
Scientists find that whiskey’s smokiness, the smell of beets and lily of the valley perfume can be utterly different depending on your genetic wiring.
NASA scientists compared the astronaut to his earthbound twin, Mark. The results hint at what humans will have to endure on long journeys through space.
There is only one other known case of this unusual type of conception, which happens when an egg is fertilized by two sperm
Source: Doctors Identify Very Rare ‘Semi-Identical’ Twins | Smart News | Smithsonian