CRISPR in EL PAÍS English

Large-scale production of natural silk follows traditional methods that include raising silkworms and boiling their cocoons before spinning.

Scientists have introduced arachnid genes into silkworms to produce threads as strong as nylon and six times tougher than Kevlar

Ian Wilmut pictured with a sheep in Midlothian, Scotland, UK, March 1997.

Cloning

Did the father of Dolly the Sheep deserve the Nobel Prize?

Javier Sampedro|Madrid|Sep 12, 2023 - 11:24 CEST

Ian Wilmut, who died on Monday at age 79, was an honest scientist who found himself in the eye of the storm of the cloning controversy

Human embryo model (8 days old) created in the laboratory of Jacob Hanna of the Weizmann Institute of Science.

CELL BIOLOGY

New 14-day embryo model sheds light on the biggest enigma of human development

Manuel Ansede|Jun 15, 2023 - 18:06 CEST

Palestinian scientist Jacob Hanna uses a chemical cocktail to induce self-organization of embryonic stem cells into a structure similar to a natural embryo

A Ukrainian soldier looks at a wrecked Russian tank during the first days of the invasion, in Bucha (Ukraine).

the global observer

Years that define eras

Moisés Naím|Feb 01, 2023 - 18:56 CET

The 21st Century is still in its infancy, yet it has already produced a host of events that are quickly reshaping the world

American biologist Eric Olson, one of the most influential scientists in the world.

Medicine

Scientists create genetic ‘pen’ that corrects common heart conditions

Manuel Ansede|Jan 16, 2023 - 04:54 CET

The sophisticated experimental treatment, which has proven to be effective in mice, opens the door to therapies that would be applied once and last a lifetime