Science Alert
Catch up on the latest science news, from space and technology to life and environmental research- all the discoveries shaping our world today.
Updated: 10 min 28 sec ago
Scientists collected spider webs in Australia; their DNA revealed vertebrate species nearby
Researchers have discovered that spider webs serve as fascinating collectors of genetic material from nearby vertebrates. In a comprehensive study in Australia, vertebrate DNA was detected across all samples, providing insights into thirty-two species at sanctuaries and sixty-one at zoos. The quantity of detectable DNA varied with animal size and distance, hinting that webs could offer an innovative approach to monitoring wildlife without the need for direct interaction.
Scientists removed trout from a California lake, and wildlife began to recover
The introduction of trout in Sierra Nevada lakes has had a noteworthy impact on bird populations, leading to a reduction in their numbers. The fish also changed the diversity of bird species present near the water. Additionally, mayflies, an essential part of the birds' diet, declined in lakes with trout.
Scientists asked volunteers to live like earthworms and kestrels to rethink human landscapes
A project involved volunteers experiencing wildlife senses near the River Tone. Participants observed risks to red deer, otters, and other animals. They identified threats like dog activity and train noise impacting wildlife. This approach helps recognize overlooked environmental dangers to animals. The methodology will be used in other communities and settings.
India needs to launch the space act it keeps scrubbing
As India's space industry develops, it urgently needs a Space Act to provide stringent legal support. Initiated in 2020, the opening of this sector, alongside the establishment of IN-SPACe, has highlighted gaps in existing policies. A robust Space Act would not only outline company rights but also enhance regulatory clarity, paving the way for the sector's growth and improved global positioning.
Skeleton Found In Roman Jar: archaeologists uncover 1,600-year-old victim; find hints of desperate escape
In a remarkable excavation at Deultum, Bulgaria, archaeologists uncovered the remains of a young man entombed within a sizable storage jar. The evidence indicates he sought refuge there during a devastating attack, likely after the flames had already engulfed the area. His plight, frozen in time as the jar was later rebuilt over, provides a poignant glimpse into the terror and desperation of ancient times.
Deer Learn To Ignore Deterrents: Human shouts scare best; habituation soon blunts effect
Research indicates that loud human noises and bright lights were effective in driving deer and elk away from crops, while predator sounds and dog barks didn’t have the same effect. Over a period of six weeks, these animals became accustomed to the deterrents, especially those near human activity. Researchers recommend diversifying stimuli and introducing consequences to keep these animals from adapting.
In the 1850s, pigs brought to Santa Cruz Island became feral
Feral pigs were eradicated from Santa Cruz Island, facilitating a resurgence in fox populations. With bald eagles no longer in the area, golden eagles preyed on the island's foxes. In response, conservationists captured the golden eagles and reintroduced the native bald eagles. A captive breeding initiative safeguarded the remaining island foxes from predators, resulting in a successful revival of the island's native wildlife and ecosystem.
