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Hawaii in the late 1800s planted fast-growing leucaena trees for cattle fodder and erosion control, but scientists now say they have spread across the islands, replacing native dry forests with dense invasive stands
▲ 21 r/HolyShitHistory

Hawaii in the late 1800s planted fast-growing leucaena trees for cattle fodder and erosion control, but scientists now say they have spread across the islands, replacing native dry forests with dense invasive stands

u/TheoryResident1805 — 1 day ago
▲ 62 r/HolyShitHistory

Australia introduced foxes in the 1800s for sport hunting, but scientists now say they became deadly predators of native mammals and ground-nesting birds since native mammals and birds had very little defence built up against them

u/TheoryResident1805 — 3 days ago
▲ 304 r/HolyShitHistory

Between 1946 and 1958, the United States detonated 23 nuclear bombs at Bikini Atoll in the Pacific, destroying islands and contaminating the lagoon; decades later, researchers found flourishing coral communities whose resilience may offer insights for cancer research

u/TheoryResident1805 — 3 days ago
▲ 126 r/HolyShitHistory

Island of Colorblind: Around 1775, a typhoon devastated Pingelap Atoll, leaving only about 20 survivors. One survivor carried a recessive gene for achromatopsia (complete color blindness). Due to the founder effect, the condition became unusually common, and today roughly 1 in 12 islanders is affect

u/TheoryResident1805 — 4 days ago
▲ 191 r/HolyShitHistory

New Zealand in the 1850s planted millions of Monterey pines for timber, but the invasive trees now threaten native mountain landscapes despite costly control efforts

u/TheoryResident1805 — 4 days ago
▲ 73 r/HolyShitHistory

South Africa in the late 1800s planted millions of Australian acacias to stabilise sand dunes, but today scientists say they're draining rivers and replacing native ecosystems

u/TheoryResident1805 — 4 days ago
▲ 162 r/HolyShitHistory

France's Omaha Beach is still bleeding metal 82 years after D-Day; one sand sample contained 4% metallic fragments, while a new survey found 0.4% across Normandy beaches

u/TheoryResident1805 — 4 days ago
▲ 701 r/HolyShitHistory

Spain planted millions of fast-growing eucalyptus trees for timber. Decades later, scientists say many forests have become 'green deserts'. Unlike native forests, eucalyptus plantations often have very few plant, insect, bird, and mammal species living in them and they use lot of ground water

u/TheoryResident1805 — 5 days ago
🔥 Hot ▲ 11.1k r/HolyShitHistory

In 1991, eight people sealed themselves into an artificial enclosed ecosystem in Arizona; oxygen concentrations dropped from 21% to 14% within 16 months after carbon dioxide became locked into the facility's concrete surfaces

u/TheoryResident1805 — 5 days ago
▲ 757 r/HolyShitHistory

In 1998, scientists released a herd of the world's last truly wild horses into the Chernobyl Exclusion Zone; long-term censuses found mammals there are thriving despite the radiation.

u/TheoryResident1805 — 5 days ago
▲ 41 r/environment

Scientists just found that rivers and lakes across China gained oxygen from 2005 to 2022, and the surprise is that better nutrient management helped reverse a warming-driven loss that many freshwater systems are still facing.

nature.com
u/TheoryResident1805 — 6 days ago
▲ 9 r/birthday

Today is my 28th birthday, i have grown up to become a young lady! 🎂❤️ If this post reaches you, leave me a birthday wish or your favorite life advice. I'll be back later to read and reply to every single comment. Thank you for making my day a little brighter!

reddit.com
u/TheoryResident1805 — 8 days ago