Heidi Ledford

The Archive

Immune-cell function improved in a teenager whose DNA was altered using prime editing

May 18, 2025 | 08:00PM

World first: ultra-powerful CRISPR treatment trialled in a person
Treatment seems to have been effective, but it is not clear whether such bespoke therapies can be widely applied

May 14, 2025 | 08:00PM

World’s first personalized CRISPR therapy given to baby with genetic disease
A small tweak to a common enzyme gives plants the ability to make smelly sulfurous molecules

May 07, 2025 | 08:00PM

How skunk cabbages and other smelly plants brew their foul odour
A diet rich in diverse carbohydrates outperforms faecal transplants in mice at restoring microbial diversity, which has been linked to a range of health conditions

April 22, 2025 | 08:00PM

How to fix a gut microbiome ravaged by antibiotics
But public-health specialists worry that misinformation and funding cuts could affect vaccination rates

April 07, 2025 | 08:00PM

154 million lives and counting: 5 charts reveal the power of vaccines
Success gives hope to scientists and advocates who managed to get millions of dollars in grants restored

April 06, 2025 | 08:00PM

Long COVID activists fought Trump team’s research cuts and won ― for now
US researchers who must forage for their own salary by finding grants fear they will be the first to go as federal research dollars disappear

March 27, 2025 | 08:00PM

These US labs risk imminent closure after Trump cuts
Several high-profile incidents in the past month have scientists on edge

March 23, 2025 | 08:00PM

‘Anxiety is palpable’: detention of researchers at US border spurs travel worries
Fears are rising that infectious diseases such as measles could make a comeback now that the anti-vaccine advocate is in charge of the US public-health system

March 12, 2025 | 08:00PM

Will RFK Jr’s vaccine agenda make America contagious again?
Researchers are organizing protests and making their voices heard as Trump officials slash funding and lay off federal scientists

March 02, 2025 | 08:00PM

US science is under threat ― now scientists are fighting back

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