Social insects disobey evolutionary principles that say creatures invest in body maintenance or reproduction — not both. Scientists want to know how the creatures do it.
Tim Vernimmen

Social insects disobey evolutionary principles that say creatures invest in body maintenance or reproduction — not both. Scientists want to know how the creatures do it.
Tim Vernimmen
Small settlements and the scourge of slavery left gaps in Africa’s archaeological record. Yet sites and artifacts are revealing clues to the continent’s more recent history.
An archaeologist explains the findings and threats to this heritage.
Read our recent Q&A with Chapurukha M. Kusimba via Yahoo News:
https://www.yahoo.com/news/articles/civilizations-africa-lens-140000802.html?fr=sycsrp_catchall
Neuroscientists have long known that shut-eye helps consolidate memories in adults. Napping may play an equally crucial role in infants and young children.
https://knowablemagazine.org/content/article/mind/2022/how-learning-happens-brains-sleeping-babes
Small settlements and the scourge of slavery left gaps in Africa’s archaeological record. Yet sites and artifacts are revealing clues to the continent’s more recent history. An archaeologist explains the findings and threats to this heritage.
Amber Dance
Infusion of the tiny, sausage-shaped structures helps to rejuvenate tissues deprived of blood. Researchers hope the technique can treat a variety of damaged organs.
Infusion of the tiny, sausage-shaped structures helps to rejuvenate tissues deprived of blood. Researchers hope the technique can treat a variety of damaged organs.
Learn more about this in our recent article republished by The Wire
https://thewire.in/science/mighty-mitochondria-cell-powerhouses-harnessed-for-healing
As NASA astronauts aim for landings in 2027, geologists find surprises in recently retrieved samples from the far side. Nicola Jones
Children whose mothers had higher vitamin D levels during pregnancy scored better on tests of memory, attention and problem-solving skills at ages 7 to 12 compared with those whose mothers had lower levels, according to a recent study, writes Melissa Melough, Assistant Professor of Nutrition Science, in @TheConversationUS https://theconversation.com/about-a-third-of-pregnant-women-in-the-us-lack-sufficient-vitamin-d-to-support-healthy-pregnancies-new-research-259433
Brush up on the science of vitamin D with our 2024 explainer
https://knowablemagazine.org/content/article/health-disease/2024/should-you-take-vitamin-d-how-much
North America’s largest bird disappeared from the wild in the late 1980s. Reintroduction work in the United States and Mexico has brought this huge vulture back to the skies. This is the story of its comeback.
Iván Carrillo
https://knowablemagazine.org/content/article/food-environment/2025/california-condor-reintroduction
A movement to provide hospital-level care for sick patients in their own beds, in the comfort of familiar surroundings, is growing in the United States — a trend already embraced in some other countries.
Lola Butcher
Some species make venoms that are deadly. With more research, those toxic compounds could yield useful medicines.
https://knowablemagazine.org/content/article/living-world/2025/meet-the-venomous-caterpillars
Picture your body: It’s a collection of cells carrying thousands of DNA errors accrued over a lifetime — many harmless, some bad, and at least a few that may be good for you.
https://knowablemagazine.org/content/article/health-disease/2025/we-are-all-genetic-mosaics-clones
Final Update:
Thank you everyone for your help. I have a color version of the cover. I appreciate all the help.
***** The thing is found. *******
Update:
I have a black and white copy of the cover now. Thank you. I am waiting to see if that's enough for the project.
Please note:
- I have tired the library route
- I have tried the magazine directly route
- If you don't have easy access to a physical copy that can be photographed or scanned, there is no need to reply.
I have a request and I think the Fediverse is the place where I might find help with this.
For more than 2 years I've been looking for a copy of Nature: specifically volume 353 issue 6341. It's the 19 September 1991 issue.
I need a good photograph or scan of the cover art. You can keep the magazine. My FIL has an article in it and my BIL and husband want to make a gift that uses the cover art.
Thank you for your help.
The mycorrhizae that live among and in plant roots can boost the health of certain species, and even whole ecosystems — but scientists warn against a one-size-fits-all approach.
Shi En Kim
Like humans, capuchins are curious, manipulative, almost obsessively social and not to be messed with, and there is a lot we can learn from them on how culture, including our own, evolves.
https://knowablemagazine.org/content/article/living-world/2025/meet-the-capuchin-monkey
The right kind of silence can be golden, revitalizing and strengthening a relationship
https://knowablemagazine.org/content/article/mind/2025/psychology-of-silence-between-couples
Deadwood typically represents less than a tenth of the organic matter in forests, but plays an outsized role in supporting fungi, bacteria, insects and other life forms.
How farmers can help rescue water-loving birds: https://knowablemagazine.org/content/article/food-environment/2025/how-farmers-can-help-save-migrating-water-loving-birds #KnowableMagazine #ScienceMastodon
Researchers hope a new technique can treat a variety of damaged organs.
Learn more about this in our recent article republished by Ars Technica.
https://arstechnica.com/science/2025/07/mighty-mitochondria-cell-powerhouses-harnessed-for-healing/