Over 60% of angiosperms shed pollen at the 2-celled stage (vegetative and generative cell), while 40% shed it at the 3-celled stage where the generative cell divides before release!
A single human ejaculation deposits 200 to 300 million sperm cells, but only one lucky sperm fertilizes the egg! For normal fertility, at least 60% must have normal shape and 40% vigorous motility.
Developed by scientists at the Central Drug Research Institute (CDRI) in Lucknow, India, Saheli (Centchroman) is taken once a week with virtually zero hormonal side effects.
Between 1856 and 1863, Augustinian monk Gregor Mendel meticulously hand-pollinated over 28,000 pea plants in his Brno monastery garden to discover the universal laws of inheritance.
The Human Genome Project revealed that our genome contains 3.1647 billion base pairs across 20,000-25,000 genes, but astonishingly less than 2% of the genome actually codes for proteins!
Fifteen million years ago, primates called Dryopithecus and Ramapithecus roamed Earth: Dryopithecus was hairy and walked like a gorilla, while Ramapithecus stood more man-like.
Mucosa-Associated Lymphoid Tissue (MALT) lining your respiratory, digestive, and urogenital tracts constitutes over half of the entire human immune system's lymphoid tissue mass!
In 1928, Fleming noticed a green mold (Penicillium notatum) contaminating a Staphylococci culture plate had dissolved the bacteria around it, launching the golden age of antibiotics.
Extracted from deep volcanic hot-spring bacteria (Thermus aquaticus), Taq polymerase withstands repeated 94°C boiling cycles in PCR machines to make billions of DNA copies in 2 hours.
Created in 1997, transgenic cow 'Rosie' produced milk containing 2.4 grams per liter of human alpha-lactalbumin, making it nutritionally superior for human infants than normal cow's milk.
In North American deserts, the kangaroo rat survives its entire adult life without drinking water, deriving 100% of its moisture needs from internal metabolic oxidation of dietary seeds.
Despite covering over 70% of the planet's surface, the oceans contribute only 55 billion tons of annual net primary productivity compared to 115 billion tons produced on land, due to light and nitrogen limits.
The Amazon rainforest is home to over 40,000 plant species, 3,000 fishes, 1,300 birds, and 2.5 million insect species, earning its legendary title as the 'Lungs of the Planet'.