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Researchers at the University of Waterloo have developed contact lenses made of a 3D-printed hydrogel that can deliver medication directly to the eye, making drug application for eye conditions simpler and more efficient.
(c) Unsplash CC0 Public Domain
  • December 2, 2024

3D-printed contact lenses deliver medicine straight to the eye

MEDICAL XPRESS

Researchers at the University of Waterloo have developed contact lenses made of a 3D-printed hydrogel that can deliver medication directly to the eye, making drug application for eye conditions simpler and more efficient.

Takk Studio transformed construction waste into a children's bedroom, blending sustainability with playful design. The structure, inspired by their daughter’s vision, reimagines housing norms with recycled materials, offering a cheerful, flexible space in constant motion.
Previous Post Mobile child’s bedroom made of recycled construction waste
Next Post Norwegian scientists produce sustainable antibiotics with seaweed
Seaweed represents an abundant, growing, unattended biomass full of potential.  Researchers in Norway are training bacteria to eat seaweed and produce antibiotics, vitamins, and other food ingredients.

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Engineers have developed a cement-like paint that reflects 90% of sunlight, emits 95% of the heat as infrared radiation, and holds 30% of its weight in water, providing 10 times the cooling power of commercial cooling paints and saving 30 to 40% of electricity.
(c) TheDigitalWay/Pixabay CC0

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  • October 8, 2025
The EU has reinforced its stance by upholding a ban on bottom trawling in marine protected zones—past cases in Atlantic and North Sea areas confirmed that vulnerable seabed ecosystems deserve full protection without gear-specific loopholes. Legal clarity now paves the way for broader conservation enforcement.
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EU Court Upholds Ban on Bottom Trawling in Sensitive Marine Areas

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Finland's new sand battery stores 100 MWh of solar and wind energy in sand as heat, replacing oil in district heating and cutting emissions by nearly 70%. With near-unlimited lifespan and zero eco‑toxicity, this solution stacks up as a long‑term, low-cost solution.

. Durable and eco-friendly, it offers stable renewable energy year-round.
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The High Seas Treaty has officially entered into force, marking a historic step to safeguard marine biodiversity in international waters, which cover nearly two-thirds of the ocean. The ratification launches a 120-day countdown to global cooperation in conservation and enforcement.
First High Seas Treaty Enters into Force This Week
Ireland closed its last coal-fired plant at Moneypoint in June—six months ahead of schedule—making it Europe’s sixth coal-free country. The 915 MW station will stay on standby with oil backup until 2029. It’s a major victory for cleaner air and energy transition.
Ireland Ends Coal Era, Shuts Moneypoint Six Months Early
In India’s garbage cafés, plastic waste is the new currency. Starting in Ambikapur, Chhattisgarh, people can exchange a kilo of plastic for a hot meal or half for breakfast. The initiative reduces waste, feeds communities, and inspires sustainable change.
Indian cafes turn plastic waste into meals and community hope
Studies suggest that people who read voraciously gain more than knowledge — they often experience better health, sharper minds, and greater well-being. From reduced stress to stronger empathy, reading proves to be a simple habit with extraordinary benefits for life.
Science Shows Avid Readers May Enjoy Better Health, Education, and Life

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