Deep within Earth’s core, scientists are uncovering signs of a hidden structure that challenges long-standing models of the planet’s interior.

Parenchyma is the functional tissue in organs, performing the core tasks that keep us alive. From liver detoxification to kidney filtration, these cells work alongside supportive stroma to maintain ...

If everyone can call the president, does it matter if anyone does? It sounds like a koan but isn’t that far from reality. Donald Trump’s personal cellphone number has been making the rounds among ...

In 2022, the team at Cortical Labs taught 800,000 brain cells in a petri dish connected to a computer how to play the 1970s game Pong. Now, years later, the same team is leveling up as they claim ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) In February 2026, over 70 years after doctors took Lacks’ cells without her consent or ...

American counterterrorism agencies are quietly monitoring suspected sleeper cells on U.S. soil in the wake of joint U.S.–Israel strikes on Iran, stepping up surveillance amid heightened fears of ...

Ms. Lacks’s family accused Novartis of profiting from her cells, which were taken from her without her consent in 1951, when she was dying of cervical cancer. By Michael Levenson The pharmaceutical ...

A clump of human brain cells can play the classic computer game Doom. While its performance is not up to par with humans, experts say it brings biological computers a step closer to useful real-world ...

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

CD7 is an attractive target for chimeric antigen receptor (CAR) T-cell therapy in relapsed or refractory T-cell acute lymphoblastic leukemia (ALL). Supportive results of first-in-human studies of base ...

Aging taps us on the shoulder in many ways: wrinkles, thinning hair, loss of flexibility, slowing of the brain. But the process also unfolds at a more fundamental, microscopic level, as the energy ...

A newly recognized set of T helper cells seems to guard against aging by eliminating harmful senescent cells. Their presence in supercentenarians suggests they may be a key to maintaining a healthier, ...