Scientists to attempt to rear swallowtail butterflies from eggs frozen in nitrogen

The GuardianThursday, October 2, 2025 at 11:40:21 AM
Scientists to attempt to rear swallowtail butterflies from eggs frozen in nitrogen
Researchers are embarking on an exciting project to rear swallowtail butterflies from eggs that have been frozen in liquid nitrogen. This innovative approach, known as cryopreservation, could play a crucial role in the long-term conservation of Britain's largest native butterfly species, which is currently vulnerable to extinction. If successful, this method could pave the way for preserving other endangered species, making it a significant step forward in conservation efforts.
— Curated by the World Pulse Now AI Editorial System

Was this article worth reading? Share it

Recommended Readings
Jane Goodall, wildlife advocate and conservationist, dies at 91
NegativeWorld Affairs
Jane Goodall, the renowned wildlife advocate and conservationist, has passed away at the age of 91. Her groundbreaking work in the 1960s not only advanced our understanding of primate behavior but also paved the way for future generations of female scientists. Goodall's legacy is significant as it highlights the importance of wildlife conservation and the need to protect our planet's biodiversity, making her loss deeply felt in the scientific community and beyond.
'Conservation giant' who inspired 'millions' has died
NegativeWorld Affairs
The world has lost a remarkable figure in conservation with the passing of Dame Jane Goodall at the age of 91. Known for her groundbreaking work with chimpanzees, Goodall inspired millions to care for wildlife and the environment. Her legacy will continue to influence conservation efforts and educate future generations about the importance of protecting our planet.
Swiss glaciers have shrunk by a quarter since 2015, study says
NegativeWorld Affairs
A recent study reveals that Swiss glaciers have lost 24% of their volume since 2015, highlighting a concerning trend of accelerated melting that could lead to near-total disappearance by the century's end. This alarming data underscores the urgent need for stronger actions against global warming, as the implications of such ice loss extend beyond Switzerland, affecting global sea levels and ecosystems.
Study links greater inequality to structural changes in children’s brains
PositiveWorld Affairs
A groundbreaking study has revealed that living in an unequal society can lead to structural changes in children's brains, affecting their development regardless of their family's wealth. This research, involving over 10,000 young people in the US, highlights the urgent need to address inequality as a public health issue. By understanding the detrimental effects of inequality on brain development, we can advocate for policies that promote equity and improve the well-being of future generations.
Latest from World Affairs
Tories pledge to scrap landmark climate legislation
NegativeWorld Affairs
The Conservative leader Kemi Badenoch has announced plans to eliminate key climate legislation that sets legally binding targets for reducing emissions. This move raises significant concerns among environmentalists and climate advocates, as it could undermine efforts to combat climate change and meet international commitments. The decision reflects a broader political debate about the balance between economic growth and environmental responsibility, making it a crucial issue for voters who prioritize sustainability.
Israel’s Gaza flotilla interception triggers protests, diplomatic expulsions and calls for strikes
NegativeWorld Affairs
The recent interception of a pro-Palestinian aid flotilla by Israel has sparked widespread protests and international condemnation. Activists, including prominent figures like Greta Thunberg, were detained, leading to demonstrations in cities around the globe. This incident highlights the ongoing tensions in the region and raises questions about humanitarian aid and international response, making it a significant moment in the discourse surrounding the Israeli-Palestinian conflict.
U.K. Synagogue Hit by Deadly Stabbing, Ramming Attack
NegativeWorld Affairs
A tragic incident in Manchester during Yom Kippur has left two people dead and several others injured due to a stabbing and ramming attack. This shocking event has raised concerns about the safety of Jewish communities across the U.K., leading to heightened police security measures for congregations nationwide. It highlights the ongoing challenges of ensuring safety and security for minority groups in the face of violence.
First deaths in Morocco’s youth-led anti-government protests as police open fire
NegativeWorld Affairs
Tragic events unfolded in Morocco as two individuals lost their lives during youth-led anti-government protests in Lqliâa. This incident marks a significant escalation in the ongoing demonstrations, which have been calling for essential social justice reforms. Local authorities claim that the police acted in self-defense while attempting to control the situation, but the rising unrest highlights the deep-seated frustrations among the youth regarding governance and social issues. The implications of these protests could lead to increased scrutiny of government actions and a potential shift in public sentiment.
Two dead after suspected terror attack on Manchester synagogue, police say, with suspect shot by officers – latest
NegativeWorld Affairs
A tragic incident unfolded at the Heaton Park Hebrew congregation synagogue in Manchester, where a suspected terror attack resulted in the deaths of at least two individuals. The attacker reportedly used a car and a knife to target members of the public, leading to a swift response from police who shot the suspect. This event raises significant concerns about safety and security in places of worship, highlighting the ongoing threat of violence in communities.
What we know about Manchester synagogue attack
NegativeWorld Affairs
A tragic attack in Manchester has left two people dead, occurring on the holiest day in the Jewish calendar. This incident highlights the ongoing issues of violence and intolerance faced by religious communities, making it a significant concern for society as a whole.