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Today is: May 09
Animal Disaster Preparedness Day, Ntl.
Ascension Day (C)
Birth Control Pill Day (1960)
Butterscotch Brownie Day
Children’s Mental Health Awareness Day, Ntl
Lost Sock Memorial Day
Performance Marketing Awards (UK)
Air Quality Awareness Week: May 6-10 (est)
Anxiety & Depression Awareness Week, Ntl.: May 5-11
Be Kind to Animals Week: May 5-11
Black Mothers Bailout Week: May 5-11
Charter Schools Week, Ntl.: May 6-10
Childhood Nutrition Employee Appreciation Week: May 6-10 (est)
Children's Book Week: May 6-12* (est)
Children’s Mental Health Awareness Week (US/CA): May 5-11
Coaching Week, Intl.: May 6-12 (est)
Deaf Awareness Week (UK): May 6-12 (est)
Donkey Week (UK): May 6-12
Dying Matters Awareness Week (UK): May 6-12 (est)
Emergency Preparedness Week, Ntl. (CA): May 5-11
Eurovision Song Contest: May 7-11 (est)
Family Week, Ntl: May 5-11
Galveston Historic Home Tour (US-TX): May 3-12 (est)
Gardening Week, Ntl. (UK): May 6-12 (est)
Giro D'Italia (IT): May 4-26 (est)
Goodwill Industries Week (US/CA): May 5-11
Heart Week (AU): May 6-12 (est)
Hug Holiday Week, Ntl.: May 5-11
Hurricane Preparedness Week, Ntl.: May 5-11
Learn to Swim Week, Intl.: May 7-13 (est)
Mental Health Awareness Week (CA): May 5-11
Motherless Daughters Awareness Week (AU): May 4-11
Motherless Daughters Awareness Week (AU): May 4-11
Music Week, Ntl.: May 5-12
National Cave Week: May 5-11
Neuropathy Awareness Week, Peripheral, Ntl.: May 5-11 (est)
Nurses Week, Ntl.: May 6-12
Occupational Safety & Health Week, (US/CA/MX): May 5-11
Pet Week, Ntl.: May 5-11
Plant Health Week (UK): May 7-13 (est)
Prevention Week, Ntl.: May 5-11 (est)
Privacy Awareness Week (AU/NZ): May 5-11 (est)
Public Gardens Week, Ntl.: May 10-19
Public Service Recognition Week: May 5-11
Puppy Mill Action Week: May 6-12
Substitute Teacher Appreciation Week (SubWeek): May 6-10
Sun Awareness Week (UK): May 6-12 (est)
Teachers Appreciation Week: May 6-10
Time for a Cuppa (UK): May 6-13 (est)
Travel & Tourism Week, Ntl.: May 5-11
Update Your References Week: May 5-11
Water, Drinking Water Week: May 5-11
65 Roses Month (AU)
ALS Awareness Month
Amaranth Month
Arthritis Awareness Month, Ntl.
Asian & Pacific Islander American Heritage Month
Asparagus Month, Ntl.
Asthma & Allergy Awareness Month
Barbecue Month, Ntl.
Bike & Bicycle Safety Month
Blood Pressure Month, Ntl.
Borderline Personality Disorder Awareness Month
Brain Tumor Action Month
Building Safety Month, Ntl.
Cancer Research Month, Ntl.
Car-Keeping Month, Ntl. Good
Celiac Awareness Month (CA)
Cheese Month, American
Chocolate Custard Month
Civility Awareness Month, Global
Clap 4 Health Month
College Students with Disabilities Recognition Month
Craft & Design Month (2011)(UK)
Crohn's & Colitis Awareness Month (AU)
Cystic Fibrosis Month
Dhul-Qa'dah (M)
Digestive Diseases Awareness Month, Ntl.
Egg Month
Electrical Safety Month, Ntl.
Employee Health & Fitness Month, Global
Family Wellness Month
Feast of Our Lady of Peace and Good Voyage (PH)
Fibromyalgia Education & Awareness Month
Food Allergy Action Month
Foster Care Month, Ntl.
Garden, Gifts from the Garden Month
Gardening for Wildlife Month
Get Caught Reading Month
Haitian Heritage Month
Hamburger Month, Ntl.
Heal the Children Month
Hearing & Speech, (Better) Month
Hemochromatosis Awareness Month (CA)
Hepatitis Awareness Month, Ntl.
Hereditary Hemochromatosis Genetic Screening and Awareness Month, Ntl.
High Blood Pressure Education Month, Ntl.
Huntington's Disease Awareness Month (CA)
Huntington's Disease Awareness Month
Inventors Month, Ntl.
Iyyar (J)
Jewish-American Heritage Month
Lung Cancer Awareness Month (AU)
Lupus Awareness Month, Ntl.
Lyme Disease Awareness Month
Meat Free May (UK)
Medication Dependence Prevention Month (AU)
Meditation Month, Ntl.
Mediterranean Diet Month, Intl.
Melanoma/Skin Cancer Detection & Prevention Month
Mental Health Month, Ntl.
Microchip Your Pet Month (US)
Military Appreciation Month, Ntl.
Motorcycle Safety Month (US/CA), Ntl.
Myalgic Encephalomyelitis / Chronic Fatigue Syndrome (ME/CFS) Awareness Month
Mystery Month
Neurofibromatosis Awareness Month, Ntl.
Older Americans Month
Onion, Sweet Vidalia Month, Ntl.
Osteoporosis Prevention Month, Ntl. (US)
Pediatric Stroke Awareness Month, Ntl.
Pet Cancer Awareness Month, Ntl.
Pet Month, Ntl.
Photography Month, Ntl.
Physical Fitness & Sports Month, Ntl.
Physiotherapy Month, Ntl. (CA)
Posture Month
Preservation Month, Ntl.
REACT Month
Read to Your Baby Bump Month, Ntl.
Recommitment Month, Ntl.
Responsible Animal Guardian Month
Running of the Balls (US-TN)
Salad Month, Ntl.
Santacruzan, Flores de Mayo (PH)
Service Dog Eye Examination Month, Ntl.
Sexual Assault Awareness and Prevention Month, Ntl.
Sleep Month, Better
Spiritual Literacy Month
Stroke Awareness Month, Ntl. (US)
Stroke, Strike Out Stroke Month
Tavern Month, Ntl.
Teen Self-Esteem Month, Ntl.
Thyroid Awareness Month (AU)
Tooth, Save Your Tooth Month
Toxic Encephalopathy & Chemical Injury Awareness Month, Ntl.
Trade Month, World
Triple Crown
Tuberous Sclerosis Awareness Month
Ultraviolet (U.V.) Awareness Month
Urgent Care Awareness Month, Ntl.
Vaisakh (S)
Vaisakha (H)
Vinegar Month
Vision Health Month (CA)
Vision, Healthy Vision Month
Walk in the Woods Month (UK)
Walking Month, Ntl. (US/UK)
Wetlands Month, American.
Woman, Victorious Woman Month Intl.
Women's Health Care Month, Ntl.
Young Achiever's Month
Youth Traffic Safety Month, Global
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About Charlotte Gives Birth
Science & Math
Ends: Mar 10, 2024
DESCRIPTION:
Charlotte Gives Birth—pregnant by immaculate conception.
How does a female stingray living in an aquarium in the middle of the Appalachian Mountains without access to a male end up pregnant?
That is the question.
Charlotte, a burnt orange-colored stingray approximately the size of a giant Frisbee, has become pregnant without contact with a male of her species for at least eight years. Her natural habitat is the coast of Southern California. However, her home has been the Aquarium and Shark Lab on Main Street in downtown Hendersonville for a decade.
Brenda Ramer, the facility's executive director and leader of the educational nonprofit Team ECCO, which operates the aquarium, announced the impending arrival of Charlotte's pups in late February or early March. Initially, her caretakers believed her plump posture evolved due to overfeeding. The gestating mother sported a noticeable lump on her back. An ultrasound revealed the stingray's pregnancy, leaving the staff scratching their head.
Parthenogenesis explains Charlotte's condition. It is a form of asexual reproduction where offspring develop from unfertilized eggs, eliminating the need for male genetic contribution. Parthenogenesis involves the fusion of a female's egg with a polar body, a cell produced during egg creation but typically unused, triggering embryo development. This process isn't fully understood, underscoring nature's incredible adaptability and resilience.
While rare, parthenogenesis has been observed across various species, including insects, fish, amphibians, birds, and reptiles. It does not occur in mammals. Kady Lyons, a research scientist at the Georgia Aquarium in Atlanta, noted that Charlotte's case is unique for round stingrays.
Charlotte's story has captivated the local community and scientists worldwide, providing a valuable learning opportunity on the wonders of marine life and the complexities of biological reproduction.
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