Lightnews — Scholar-powered news

藤井　恒

@lovenature.bsky.social

A global screen for magnetically induced neuronal activity in the pigeon brain | Science www.science.org/doi/10.1126/...

A global screen for magnetically induced neuronal activity in the pigeon brain

How animals detect the Earth’s magnetic field remains a mystery in sensory biology. Despite extensive behavioral evidence, the neural circuitry and molecular mechanisms responsible for magnetic sensin...

www.science.org

November 22, 2025 at 9:38 PM

藤井　恒

@lovenature.bsky.social

DNA pioneer James Watson has died ― colleagues wrestle with his legacy

The co-discoverer of the structure of DNA helped to strengthen a US research institute and wrote a classic textbook, but also earned a reputation for racist and sexist comments.

www.nature.com/articles/d41...

DNA pioneer James Watson has died ― colleagues wrestle with his legacy

The co-discoverer of the structure of DNA helped to strengthen a US research institute and wrote a classic textbook, but also earned a reputation for racist and sexist comments.

www.nature.com

November 8, 2025 at 11:57 PM

藤井　恒

@lovenature.bsky.social

Architectural immunity: Ants alter their nest networks to prevent epidemics | Science www.science.org/doi/10.1126/...

Architectural immunity: Ants alter their nest networks to prevent epidemics

In animal groups, spatial structure shapes social interaction patterns, thereby influencing the transmission of infectious diseases. Active modifications to the spatial environment could therefore be ...

www.science.org

October 23, 2025 at 6:37 AM

藤井　恒

@lovenature.bsky.social

Baek, SY., Amano, T., Akasaka, M. et al. The range of large terrestrial mammals has expanded into human-dominated landscapes in Japan. Commun Earth Environ 6, 292 (2025). doi.org/10.1038/s432...

The range of large terrestrial mammals has expanded into human-dominated landscapes in Japan - Communications Earth & Environment

Agricultural abandonment and reduced snowfall in depopulated Japan over the past 40 years may have facilitated the expansion of the ranges of sika deer, wild boar, Japanese serow and macaque, Asiatic ...

doi.org

October 22, 2025 at 10:03 AM

藤井　恒

@lovenature.bsky.social

protection against H5N1 avian influenza in 23 zoo bird species. Nat Commun 16, 9245 (2025). doi.org/10.1038/s414...

RNA replicon vaccination confers long-lasting protection against H5N1 avian influenza in 23 zoo bird species - Nature Communications

Highly pathogenic avian influenza H5N1 viruses cause mass mortality in birds and have infected over 50 mammalian species, including humans. Here, the authors report the use of a propagation-defective ...

doi.org

October 22, 2025 at 8:59 AM

藤井　恒

@lovenature.bsky.social

Floss-based vaccination targets the gingival sulcus for mucosal and systemic immunization | Nature Biomedical Engineering

www.nature.com/articles/s41...

Floss-based vaccination targets the gingival sulcus for mucosal and systemic immunization - Nature Biomedical Engineering

Floss-based vaccination exploits the leaky junctional epithelium of the gingival sulcus to deliver different types of vaccine, inducing robust mucosal and systemic immunity and providing protection ag...

www.nature.com

October 20, 2025 at 9:58 PM

藤井　恒

@lovenature.bsky.social

These ‘ghost flowers’ thrive without photosynthesis. One scientist is learning how | Science | AAAS www.science.org/content/arti...

These ‘ghost flowers’ thrive without photosynthesis. One scientist is learning how

Japanese botanist Kenji Suetsugu studies plants that steal carbon and nutrients from soil fungi

www.science.org

October 10, 2025 at 10:25 PM

藤井　恒

@lovenature.bsky.social

This summer, I observed beautiful Thermozephyrus ataxus (also known as Chrysozephyrus ataxus) butterflies in Mie, Japan.

#butterflies #insects #japan #nature #photography

www.instagram.com/p/DPQ-e_Mk_9Q/

October 1, 2025 at 11:54 AM

藤井　恒

@lovenature.bsky.social

I observed a Japanese perch (Coreoperca kawamebari), also known as redfin perch or eye-spot perch, in a mountain stream in Kyoto, Japan.

#fish #river #nature #photography #japan

www.instagram.com/p/DPG9eKVEz2d/

September 27, 2025 at 2:29 PM

藤井　恒

@lovenature.bsky.social

I observed several Hemibarbus longirostris (long-nosed barbel) fish in a beautiful mountain stream in Kyoto, Japan.

#fish #river #japan #nature #photography

www.instagram.com/p/DPD9Swyk6pW/

September 26, 2025 at 10:29 AM

藤井　恒

@lovenature.bsky.social

I observed dozens of ayu sweetfish (Plecoglossus altivelis) in a beautiful mountain stream in Kyoto, Japan.

#fish #river #nature #photography #japan
www.instagram.com/p/DO-6n4rk1zM/

September 24, 2025 at 12:24 PM

藤井　恒

@lovenature.bsky.social

I observed an Asian black bear, also known as a moon bear (Ursus thibetanus), in Nagano, Japan.

#bears #mammals #animals #japan #nature #photography

www.instagram.com/p/DO8SdRWk2Gg/

September 23, 2025 at 10:57 AM

藤井　恒

@lovenature.bsky.social

I observed a Japanese marten (Martes melampus melampus) in Mie, Japan.

#mammals #amimals #nature #photography #japan
www.instagram.com/p/DO4oSGEE-wa/

September 22, 2025 at 12:51 AM

藤井　恒

@lovenature.bsky.social

I observed a Japanese serow (Capricornis crispus) eating flowers of fireweed or rosebay willowherb (Chamaenerion angustifolium) in Nagano, Japan.

#mammals #animals #japan #nature #photography

www.instagram.com/p/DO3Jk6ukxrA/

September 21, 2025 at 11:06 AM

藤井　恒

@lovenature.bsky.social

I observed a pheasant-tailed jacana (Hydrophasianus chirurgus) foraging on a clump of water chestnut (Trapa jeholensis) in Shiga, Japan.

#birds #japan #nature #photography

www.instagram.com/p/DOqa1uXE9uH/

September 16, 2025 at 12:34 PM

藤井　恒

@lovenature.bsky.social

I observed a flock of garganeys (Spatula querquedula) in Mie, Japan.

#birds #nature #photography #japan

www.instagram.com/p/DOpSn5tk0kn/

September 16, 2025 at 1:52 AM

藤井　恒

@lovenature.bsky.social

A great cormorant (Phalacrocorax carbo) caught a crucian carp in Lake Biwa (Shiga, Japan), but the bird could not eat it because the prey was too large to swallow.

#birds #japan #nature #photography
www.instagram.com/p/DOmOffYkzoW/

September 14, 2025 at 9:31 PM

藤井　恒

@lovenature.bsky.social

I observed some Coenonympha oedippus butterflies in Nagano, Japan.
#butterflies #insects #japan #nature #photography

www.instagram.com/p/DOiNxBCk3v...

September 13, 2025 at 8:02 AM

藤井　恒

@lovenature.bsky.social

I observed several Mellicta ambigua butterflies—designated as a domestic endangered species under Japan's Law for Conservation of Nature and Natural Resources—sucking nectar from the flowers of Veronicastrum sibiricum in Nagano, Japan.

#japan #nature #photography

www.instagram.com/p/DOfubn3k822/

September 12, 2025 at 9:05 AM

藤井　恒

@lovenature.bsky.social

I observed several adult Aporia hippa butterflies visiting flowers in Gunma, Japan.

#butterflies #insects #japan #nature #photography

www.instagram.com/p/DOYqfRakxHr/

September 9, 2025 at 3:01 PM

藤井　恒

@lovenature.bsky.social

I observed a Pacific reef heron (Egretta sacra) was foraging at the sea shore in Kyoto, Japan.

#birds #japan #nature #photography

www.instagram.com/p/DOV8CYkExH...