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Harpoceras
Harpoceras is an extinct Hildoceratidae ammonite genus of the Early to Middle Jurassic, type species Ammonites falcifer, with compressed keeled shells and falciform ribs, characteristic of the lower Toarcian worldwide.
Harpoon
A harpoon is a spear-like hunting device whose detachable barbed head stays fastened by a line, used from early Holocene times to hunt large fish and marine mammals.
Harpoon TSD-5
The Harpoon TSD-5 is a transapical, beating-heart mitral valve repair system by Harpoon Medical that anchors artificial chordae to a prolapsed leaflet under echo guidance.
Harpy eagle
Harpy eagle (Harpia harpyja), largest and among the most powerful eagles, a Neotropical rainforest raptor from southern Mexico to northern Argentina, feeding mainly on sloths and primates, Vulnerable, national bird of Panama.
Harrier (bird)
Harrier (bird), genus Circus, about 15 species of Accipitridae hawks hunting low over open ground with V-shaped wings, owl-like facial disks for hearing prey, ground nests; includes Hen, Northern, and Marsh Harriers.
Harriet (tortoise)
Harriet (c. 1830–23 June 2006) was a female Galápagos tortoise at Australia Zoo, Queensland, reputedly collected by Charles Darwin in 1835; DNA showed she came from an island Darwin never visited, and she died of heart failure at about 175.
Harriet P. Dustan
Harriet P. Dustan, also known as Harriet Dustan, was an American internist and hypertension researcher who helped make high blood pressure a treatable disease, and who served as president of the American Heart Association.
Harriet S. Gilbert
Harriet S. Gilbert is an American hematologist whose research centered on polycythemia vera and vitamin B12-binding proteins, working at Mount Sinai and Albert Einstein College of Medicine.
Harriette Chick
Harriette Chick (1875–1977) was a British microbiologist and nutritionist who proved rickets was a deficiency disease through controlled feeding trials in Vienna, and a founder of nutrition science.
Harriette G.C. Van Spall
Harriette G.C. Van Spall is a Canadian cardiologist and clinical trialist at McMaster University whose research focuses on heart failure care, digital health equity, and inclusive trial design.
Harringtonine
Harringtonine, chiefly homoharringtonine (高三尖杉酯碱, omacetaxine mepesuccinate), is a Cephalotaxus alkaloid inhibiting protein synthesis elongation, used in China since 1977 for AML and FDA-approved in 2012 for CML.
Harris Busch
Harris Busch was an American biochemist and cancer researcher who chaired pharmacology at Baylor College of Medicine from 1960 to 1998 and first observed ubiquitin attached to another protein.
Harris D. Bernstein
Harris D. Bernstein is an American biochemist who leads the Protein Biogenesis Section at NIH in Bethesda, Maryland, studying how bacterial outer membrane proteins fold.
Harris hip score
The Harris hip score is a clinical rating scale scoring pain, function, range of motion, and deformity after hip surgery, introduced by William H. Harris in 1969.
Harris Lewin
Harris Lewin is an American genomicist who co-founded and chairs the Earth BioGenome Project, an effort to sequence the DNA of all known eukaryotic species.
Harris–Benedict equation
Harris–Benedict equation: regression formula by Harris and Benedict (1919, revised by Roza and Shizgal 1984) estimating adult basal metabolic rate from weight, height, age, and sex; distinct from Mifflin-St Jeor and WHO equations.
Harris's hawk
Harris's hawk, also known as the bay-winged hawk, is a large bird of prey from the southwestern United States to South America that hunts in family groups.
Harrison Black
Harrison Black was an American thoracic surgeon at the Peter Bent Brigham Hospital and Harvard Medical School, known for early open-heart surgery and closed mitral valve surgery.
Harrison C. Spencer
Harrison C. Spencer, born Harrison Clark Spencer Jr., was an American malaria epidemiologist who led the London School of Hygiene & Tropical Medicine and ASPPH.
Harrison Echols
Harrison Echols was an American molecular biologist at UC Berkeley whose studies of bacteriophage lambda showed how the virus recombines into the bacterial chromosome; he died in 1993.
Harrison Gray Dyar, Jr.
Harrison Gray Dyar, Jr. (1866–1929) was an American entomologist who formulated Dyar's Law, the geometric-growth rule for insect larvae still in use, and built the United States National Museum's Lepidoptera collection.
Harry A. Derow
Harry A. Derow was an American physician and kidney disease researcher at Harvard Medical School and Beth Israel Hospital in Boston, active from 1935 through the 1950s.
Harry A. Quigley
Harry A. Quigley, also known as Harry Quigley, is an American ophthalmologist who holds the Maumenee Professorship at Johns Hopkins and directs its Glaucoma Center of Excellence.
Harry B. Greenberg
Harry B. Greenberg is a virologist and physician-scientist at Stanford University School of Medicine, lead inventor of the first licensed rotavirus vaccine in 1998 and co-chair of the program behind India's Rotavac.
Harry Bartelink
Harry Bartelink, born 1946, is a Dutch radiation oncologist who directed radiation oncology at the Netherlands Cancer Institute in Amsterdam from 1985 to 2007 and led European breast and lung cancer trials.
Harry Beevers
Harry Beevers (1924–2004) was a British-born American plant biochemist at Purdue University and UC Santa Cruz, best known for discovering the glyoxysome, the organelle that converts stored seed fat into sugar for the growing seedling.
Harry Borthwick
Harry Borthwick (1898–1974) was an American plant physiologist with the U.S. Department of Agriculture who headed the Beltsville photoperiodism research culminating in the discovery of phytochrome, the light-receptive pigment in all higher plants.
Harry C. Dietz
Harry C. Dietz, also known as Hal C. Dietz III, is an American cardiologist and human geneticist at Johns Hopkins who identified genes behind Marfan and Loeys-Dietz syndromes.
Harry Campbell (physician and epidemiologist)
Harry Campbell is a Scottish physician and epidemiologist at the University of Edinburgh known for the first global estimates of childhood pneumonia burden from RSV and influenza.
Harry Colebourn
Harry Colebourn (1887 to 1947) was a Canadian veterinarian and army captain who bought the black bear cub Winnie in 1914, the London Zoo bear after which Winnie-the-Pooh was named.