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![Illustration of neural networks in the human brain](https://cdn.mos.cms.futurecdn.net/R5Q9ycQ5pSi9jzTKRZq8VS-320-80.jpg)
Elon Musk's Neuralink has concerning lack of transparency and could be vulnerable to hacking, ethicists warn
By Nancy S. Jecker, Andrew Ko published
Brain-computer interfaces have the potential to transform some people's lives, but they raise a host of ethical issues, too.
![Young woman with blonde hair sniffing a fresh tangerine at her kitchen table](https://cdn.mos.cms.futurecdn.net/c9oYwUfwN3zregU2sFk3W8-320-80.jpg)
'Scent therapy' helps unlock memories in people with depression, trial finds
By Nicoletta Lanese published
Scent therapy could be a useful tool for helping people with depression tap into their autobiographical memories, a small trial hints.
![woman and man sit next to each other at a coffee shop, smiling softly as if on a date](https://cdn.mos.cms.futurecdn.net/PUVQntqHH8kn2ebx7fpFVL-320-80.jpg)
How to tell you're in love with someone, according to science
By Robin Nixon Pompa, Patrick Pester last updated
Reference Your brain and behaviors tell you you're in love in a variety of ways. Here's 14 signs you've been struck by Cupid.
![Speech bubble with pink heart shape on pink background.](https://cdn.mos.cms.futurecdn.net/wMSyTh743Fo8GWTuxHowGf-320-80.jpg)
'You cannot put people into arbitrary boxes': Psychologists critique the '5 love languages'
By Anna Mattson published
Experts question the love language theory's effectiveness, citing a lack of scientific evidence.
![Red and green, 3D reconstructed view of the printed brain tissue under the microscope showing different tissue layers against a black background with a scale reference in the bottom right-hand corner of the image denoting 25 micrometers](https://cdn.mos.cms.futurecdn.net/4fwKY8xDTdeRmHoEUNhUfa-320-80.png)
3D-printed human brain tissue works like the real thing
By Emily Cooke published
The printed tissue grows and functions like that in a normal human brain, according to the authors of the new study.
![Woman looks anxiously at her phone with one hand on her forehead](https://cdn.mos.cms.futurecdn.net/dwjmWaNFXzCJk7jSGsByNd-320-80.jpg)
Assuming the worst in others can be 'read' in brain scans
By Emily Cooke published
Activity in the brain's "ventromedial prefrontal cortex" differs between people who assume the worst in social situations and those who don't, a study finds.
![Neuralink logo displayed on a phone screen, a silhouette of a paper in shape of a human face and a binary code displayed on a screen are seen in this multiple exposure illustration photo.](https://cdn.mos.cms.futurecdn.net/BCxYb5W9YKePmefGDXbQXM-320-80.jpg)
Neuralink chip implanted into human brain for the 1st time, Elon Musk says
By Kiley Price published
Neuralink implanted its first brain chip in a human subject, and Musk posted on X that the person is "doing well" after surgery.
![Couple sitting at a table in a cafe giggling as one of the pair feeds her partner a piece of cheesecake](https://cdn.mos.cms.futurecdn.net/VkhJ4GMrE3gs2iyPYpYDUo-320-80.jpg)
Brain signature of desire uncovered in lovesick rodents, and it may be in people, too
By Emily Cooke published
A "whole lotta" dopamine is what keeps our close relationships alive, a new rodent study suggests.
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